20699250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 61012224

約数和(自身を除く): 40312974

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 25, 26, 30, 33, 39, 50, 55, 65, 66, 75, 78, 110, 125, 130, 143, 150, 165, 193, 195, 250, 275, 286, 325, 330, 375, 386, 390, 429, 550, 579, 650, 715, 750, 825, 858, 965, 975, 1158, 1375, 1430, 1625, 1650, 1930, 1950, 2123, 2145, 2509, 2750, 2895, 3250, 3575, 4125, 4246, 4290, 4825, 4875, 5018, 5790, 6369, 7150, 7527, 8250, 9650, 9750, 10615, 10725, 12545, 12738, 14475, 15054, 17875, 21230, 21450, 24125, 25090, 27599, 28950, 31845, 35750, 37635, 48250, 53075, 53625, 55198, 62725, 63690, 72375, 75270, 82797, 106150, 107250, 125450, 137995, 144750, 159225, 165594, 188175, 265375, 275990, 313625, 318450, 376350, 413985, 530750, 627250, 689975, 796125, 827970, 940875, 1379950, 1592250, 1881750, 2069925, 3449875, 4139850, 6899750, 10349625, 20699250]

約数ペア:

[(1, 20699250), (2, 10349625), (3, 6899750), (5, 4139850), (6, 3449875), (10, 2069925), (11, 1881750), (13, 1592250), (15, 1379950), (22, 940875), (25, 827970), (26, 796125), (30, 689975), (33, 627250), (39, 530750), (50, 413985), (55, 376350), (65, 318450), (66, 313625), (75, 275990), (78, 265375), (110, 188175), (125, 165594), (130, 159225), (143, 144750), (150, 137995), (165, 125450), (193, 107250), (195, 106150), (250, 82797), (275, 75270), (286, 72375), (325, 63690), (330, 62725), (375, 55198), (386, 53625), (390, 53075), (429, 48250), (550, 37635), (579, 35750), (650, 31845), (715, 28950), (750, 27599), (825, 25090), (858, 24125), (965, 21450), (975, 21230), (1158, 17875), (1375, 15054), (1430, 14475), (1625, 12738), (1650, 12545), (1930, 10725), (1950, 10615), (2123, 9750), (2145, 9650), (2509, 8250), (2750, 7527), (2895, 7150), (3250, 6369), (3575, 5790), (4125, 5018), (4246, 4875), (4290, 4825)]