20996870440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{13967}}^1$

素因数の和:14064

約数の個数: 192

約数和(自身を含む): 60190905600

約数和(自身を除く): 39194035160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 59, 65, 70, 91, 98, 104, 118, 130, 140, 182, 196, 236, 245, 260, 280, 295, 364, 392, 413, 455, 472, 490, 520, 590, 637, 728, 767, 826, 910, 980, 1180, 1274, 1534, 1652, 1820, 1960, 2065, 2360, 2548, 2891, 3068, 3185, 3304, 3640, 3835, 4130, 5096, 5369, 5782, 6136, 6370, 7670, 8260, 10738, 11564, 12740, 13967, 14455, 15340, 16520, 21476, 23128, 25480, 26845, 27934, 28910, 30680, 37583, 42952, 53690, 55868, 57820, 69835, 75166, 97769, 107380, 111736, 115640, 139670, 150332, 181571, 187915, 195538, 214760, 279340, 300664, 363142, 375830, 391076, 488845, 558680, 684383, 726284, 751660, 782152, 824053, 907855, 977690, 1270997, 1368766, 1452568, 1503320, 1648106, 1815710, 1955380, 2541994, 2737532, 3296212, 3421915, 3631420, 3910760, 4120265, 5083988, 5475064, 5768371, 6354985, 6592424, 6843830, 7262840, 8240530, 8896979, 10167976, 10712689, 11536742, 12709970, 13687660, 16481060, 17793958, 21425378, 23073484, 25419940, 27375320, 28841855, 32962120, 35587916, 40378597, 42850756, 44484895, 46146968, 50839880, 53563445, 57683710, 71175832, 74988823, 80757194, 85701512, 88969790, 107126890, 115367420, 149977646, 161514388, 177939580, 201892985, 214253780, 230734840, 299955292, 323028776, 355879160, 374944115, 403785970, 428507560, 524921761, 599910584, 749888230, 807571940, 1049843522, 1499776460, 1615143880, 2099687044, 2624608805, 2999552920, 4199374088, 5249217610, 10498435220, 20996870440]

約数ペア:

[(1, 20996870440), (2, 10498435220), (4, 5249217610), (5, 4199374088), (7, 2999552920), (8, 2624608805), (10, 2099687044), (13, 1615143880), (14, 1499776460), (20, 1049843522), (26, 807571940), (28, 749888230), (35, 599910584), (40, 524921761), (49, 428507560), (52, 403785970), (56, 374944115), (59, 355879160), (65, 323028776), (70, 299955292), (91, 230734840), (98, 214253780), (104, 201892985), (118, 177939580), (130, 161514388), (140, 149977646), (182, 115367420), (196, 107126890), (236, 88969790), (245, 85701512), (260, 80757194), (280, 74988823), (295, 71175832), (364, 57683710), (392, 53563445), (413, 50839880), (455, 46146968), (472, 44484895), (490, 42850756), (520, 40378597), (590, 35587916), (637, 32962120), (728, 28841855), (767, 27375320), (826, 25419940), (910, 23073484), (980, 21425378), (1180, 17793958), (1274, 16481060), (1534, 13687660), (1652, 12709970), (1820, 11536742), (1960, 10712689), (2065, 10167976), (2360, 8896979), (2548, 8240530), (2891, 7262840), (3068, 6843830), (3185, 6592424), (3304, 6354985), (3640, 5768371), (3835, 5475064), (4130, 5083988), (5096, 4120265), (5369, 3910760), (5782, 3631420), (6136, 3421915), (6370, 3296212), (7670, 2737532), (8260, 2541994), (10738, 1955380), (11564, 1815710), (12740, 1648106), (13967, 1503320), (14455, 1452568), (15340, 1368766), (16520, 1270997), (21476, 977690), (23128, 907855), (25480, 824053), (26845, 782152), (27934, 751660), (28910, 726284), (30680, 684383), (37583, 558680), (42952, 488845), (53690, 391076), (55868, 375830), (57820, 363142), (69835, 300664), (75166, 279340), (97769, 214760), (107380, 195538), (111736, 187915), (115640, 181571), (139670, 150332)]