20943780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2441}}^1$

素因数の和:2477

約数の個数: 96

約数和(自身を含む): 68923008

約数和(自身を除く): 47979228

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2441, 2860, 4290, 4882, 7323, 8580, 9764, 12205, 14646, 24410, 26851, 29292, 31733, 36615, 48820, 53702, 63466, 73230, 80553, 95199, 107404, 126932, 134255, 146460, 158665, 161106, 190398, 268510, 317330, 322212, 349063, 380796, 402765, 475995, 537020, 634660, 698126, 805530, 951990, 1047189, 1396252, 1611060, 1745315, 1903980, 2094378, 3490630, 4188756, 5235945, 6981260, 10471890, 20943780]

約数ペア:

[(1, 20943780), (2, 10471890), (3, 6981260), (4, 5235945), (5, 4188756), (6, 3490630), (10, 2094378), (11, 1903980), (12, 1745315), (13, 1611060), (15, 1396252), (20, 1047189), (22, 951990), (26, 805530), (30, 698126), (33, 634660), (39, 537020), (44, 475995), (52, 402765), (55, 380796), (60, 349063), (65, 322212), (66, 317330), (78, 268510), (110, 190398), (130, 161106), (132, 158665), (143, 146460), (156, 134255), (165, 126932), (195, 107404), (220, 95199), (260, 80553), (286, 73230), (330, 63466), (390, 53702), (429, 48820), (572, 36615), (660, 31733), (715, 29292), (780, 26851), (858, 24410), (1430, 14646), (1716, 12205), (2145, 9764), (2441, 8580), (2860, 7323), (4290, 4882)]