20778815530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{17659}}^1$

素因数の和:18259

約数の個数: 64

約数和(自身を含む): 43028236800

約数和(自身を除く): 22249421270

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 563, 1045, 1126, 2090, 2815, 5630, 6193, 10697, 12386, 17659, 21394, 30965, 35318, 53485, 61930, 88295, 106970, 117667, 176590, 194249, 235334, 335521, 388498, 588335, 671042, 971245, 1176670, 1677605, 1942490, 3355210, 3690731, 7381462, 9942017, 18453655, 19884034, 36907310, 49710085, 99420170, 109362187, 188898323, 218724374, 377796646, 546810935, 944491615, 1093621870, 1888983230, 2077881553, 4155763106, 10389407765, 20778815530]

約数ペア:

[(1, 20778815530), (2, 10389407765), (5, 4155763106), (10, 2077881553), (11, 1888983230), (19, 1093621870), (22, 944491615), (38, 546810935), (55, 377796646), (95, 218724374), (110, 188898323), (190, 109362187), (209, 99420170), (418, 49710085), (563, 36907310), (1045, 19884034), (1126, 18453655), (2090, 9942017), (2815, 7381462), (5630, 3690731), (6193, 3355210), (10697, 1942490), (12386, 1677605), (17659, 1176670), (21394, 971245), (30965, 671042), (35318, 588335), (53485, 388498), (61930, 335521), (88295, 235334), (106970, 194249), (117667, 176590)]