20191876640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{32467}}^1$

素因数の和:32531

約数の個数: 144

約数和(自身を含む): 53902594368

約数和(自身を除く): 33710717728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 92, 104, 115, 130, 160, 169, 184, 208, 230, 260, 299, 338, 368, 416, 460, 520, 598, 676, 736, 845, 920, 1040, 1196, 1352, 1495, 1690, 1840, 2080, 2392, 2704, 2990, 3380, 3680, 3887, 4784, 5408, 5980, 6760, 7774, 9568, 11960, 13520, 15548, 19435, 23920, 27040, 31096, 32467, 38870, 47840, 62192, 64934, 77740, 124384, 129868, 155480, 162335, 259736, 310960, 324670, 422071, 519472, 621920, 649340, 746741, 844142, 1038944, 1298680, 1493482, 1688284, 2110355, 2597360, 2986964, 3376568, 3733705, 4220710, 5194720, 5486923, 5973928, 6753136, 7467410, 8441420, 9707633, 10973846, 11947856, 13506272, 14934820, 16882840, 19415266, 21947692, 23895712, 27434615, 29869640, 33765680, 38830532, 43895384, 48538165, 54869230, 59739280, 67531360, 77661064, 87790768, 97076330, 109738460, 119478560, 126199229, 155322128, 175581536, 194152660, 219476920, 252398458, 310644256, 388305320, 438953840, 504796916, 630996145, 776610640, 877907680, 1009593832, 1261992290, 1553221280, 2019187664, 2523984580, 4038375328, 5047969160, 10095938320, 20191876640]

約数ペア:

[(1, 20191876640), (2, 10095938320), (4, 5047969160), (5, 4038375328), (8, 2523984580), (10, 2019187664), (13, 1553221280), (16, 1261992290), (20, 1009593832), (23, 877907680), (26, 776610640), (32, 630996145), (40, 504796916), (46, 438953840), (52, 388305320), (65, 310644256), (80, 252398458), (92, 219476920), (104, 194152660), (115, 175581536), (130, 155322128), (160, 126199229), (169, 119478560), (184, 109738460), (208, 97076330), (230, 87790768), (260, 77661064), (299, 67531360), (338, 59739280), (368, 54869230), (416, 48538165), (460, 43895384), (520, 38830532), (598, 33765680), (676, 29869640), (736, 27434615), (845, 23895712), (920, 21947692), (1040, 19415266), (1196, 16882840), (1352, 14934820), (1495, 13506272), (1690, 11947856), (1840, 10973846), (2080, 9707633), (2392, 8441420), (2704, 7467410), (2990, 6753136), (3380, 5973928), (3680, 5486923), (3887, 5194720), (4784, 4220710), (5408, 3733705), (5980, 3376568), (6760, 2986964), (7774, 2597360), (9568, 2110355), (11960, 1688284), (13520, 1493482), (15548, 1298680), (19435, 1038944), (23920, 844142), (27040, 746741), (31096, 649340), (32467, 621920), (38870, 519472), (47840, 422071), (62192, 324670), (64934, 310960), (77740, 259736), (124384, 162335), (129868, 155480)]