20919756

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 58480128

約数和(自身を除く): 37560372

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 73, 78, 132, 143, 146, 156, 167, 219, 286, 292, 334, 429, 438, 501, 572, 668, 803, 858, 876, 949, 1002, 1606, 1716, 1837, 1898, 2004, 2171, 2409, 2847, 3212, 3674, 3796, 4342, 4818, 5511, 5694, 6513, 7348, 8684, 9636, 10439, 11022, 11388, 12191, 13026, 20878, 22044, 23881, 24382, 26052, 31317, 36573, 41756, 47762, 48764, 62634, 71643, 73146, 95524, 125268, 134101, 143286, 146292, 158483, 268202, 286572, 316966, 402303, 475449, 536404, 633932, 804606, 950898, 1609212, 1743313, 1901796, 3486626, 5229939, 6973252, 10459878, 20919756]

約数ペア:

[(1, 20919756), (2, 10459878), (3, 6973252), (4, 5229939), (6, 3486626), (11, 1901796), (12, 1743313), (13, 1609212), (22, 950898), (26, 804606), (33, 633932), (39, 536404), (44, 475449), (52, 402303), (66, 316966), (73, 286572), (78, 268202), (132, 158483), (143, 146292), (146, 143286), (156, 134101), (167, 125268), (219, 95524), (286, 73146), (292, 71643), (334, 62634), (429, 48764), (438, 47762), (501, 41756), (572, 36573), (668, 31317), (803, 26052), (858, 24382), (876, 23881), (949, 22044), (1002, 20878), (1606, 13026), (1716, 12191), (1837, 11388), (1898, 11022), (2004, 10439), (2171, 9636), (2409, 8684), (2847, 7348), (3212, 6513), (3674, 5694), (3796, 5511), (4342, 4818)]