20223840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:501

約数の個数: 192

約数和(自身を含む): 78575616

約数和(自身を除く): 58351776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 463, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 926, 1040, 1092, 1120, 1248, 1365, 1389, 1456, 1560, 1680, 1820, 1852, 2080, 2184, 2315, 2730, 2778, 2912, 3120, 3241, 3360, 3640, 3704, 4368, 4630, 5460, 5556, 6019, 6240, 6482, 6945, 7280, 7408, 8736, 9260, 9723, 10920, 11112, 12038, 12964, 13890, 14560, 14816, 16205, 18057, 18520, 19446, 21840, 22224, 24076, 25928, 27780, 30095, 32410, 36114, 37040, 38892, 42133, 43680, 44448, 48152, 48615, 51856, 55560, 60190, 64820, 72228, 74080, 77784, 84266, 90285, 96304, 97230, 103712, 111120, 120380, 126399, 129640, 144456, 155568, 168532, 180570, 192608, 194460, 210665, 222240, 240760, 252798, 259280, 288912, 311136, 337064, 361140, 388920, 421330, 481520, 505596, 518560, 577824, 631995, 674128, 722280, 777840, 842660, 963040, 1011192, 1263990, 1348256, 1444560, 1555680, 1685320, 2022384, 2527980, 2889120, 3370640, 4044768, 5055960, 6741280, 10111920, 20223840]

約数ペア:

[(1, 20223840), (2, 10111920), (3, 6741280), (4, 5055960), (5, 4044768), (6, 3370640), (7, 2889120), (8, 2527980), (10, 2022384), (12, 1685320), (13, 1555680), (14, 1444560), (15, 1348256), (16, 1263990), (20, 1011192), (21, 963040), (24, 842660), (26, 777840), (28, 722280), (30, 674128), (32, 631995), (35, 577824), (39, 518560), (40, 505596), (42, 481520), (48, 421330), (52, 388920), (56, 361140), (60, 337064), (65, 311136), (70, 288912), (78, 259280), (80, 252798), (84, 240760), (91, 222240), (96, 210665), (104, 194460), (105, 192608), (112, 180570), (120, 168532), (130, 155568), (140, 144456), (156, 129640), (160, 126399), (168, 120380), (182, 111120), (195, 103712), (208, 97230), (210, 96304), (224, 90285), (240, 84266), (260, 77784), (273, 74080), (280, 72228), (312, 64820), (336, 60190), (364, 55560), (390, 51856), (416, 48615), (420, 48152), (455, 44448), (463, 43680), (480, 42133), (520, 38892), (546, 37040), (560, 36114), (624, 32410), (672, 30095), (728, 27780), (780, 25928), (840, 24076), (910, 22224), (926, 21840), (1040, 19446), (1092, 18520), (1120, 18057), (1248, 16205), (1365, 14816), (1389, 14560), (1456, 13890), (1560, 12964), (1680, 12038), (1820, 11112), (1852, 10920), (2080, 9723), (2184, 9260), (2315, 8736), (2730, 7408), (2778, 7280), (2912, 6945), (3120, 6482), (3241, 6240), (3360, 6019), (3640, 5556), (3704, 5460), (4368, 4630)]