20173856898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{61043}}^1$

素因数の和:61303

約数の個数: 64

約数和(自身を含む): 45944156160

約数和(自身を除く): 25770299262

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 223, 247, 446, 494, 669, 741, 1338, 1482, 2899, 4237, 5798, 8474, 8697, 12711, 17394, 25422, 55081, 61043, 110162, 122086, 165243, 183129, 330486, 366258, 793559, 1159817, 1587118, 2319634, 2380677, 3479451, 4761354, 6958902, 13612589, 15077621, 27225178, 30155242, 40837767, 45232863, 81675534, 90465726, 176963657, 258639191, 353927314, 517278382, 530890971, 775917573, 1061781942, 1551835146, 3362309483, 6724618966, 10086928449, 20173856898]

約数ペア:

[(1, 20173856898), (2, 10086928449), (3, 6724618966), (6, 3362309483), (13, 1551835146), (19, 1061781942), (26, 775917573), (38, 530890971), (39, 517278382), (57, 353927314), (78, 258639191), (114, 176963657), (223, 90465726), (247, 81675534), (446, 45232863), (494, 40837767), (669, 30155242), (741, 27225178), (1338, 15077621), (1482, 13612589), (2899, 6958902), (4237, 4761354), (5798, 3479451), (8474, 2380677), (8697, 2319634), (12711, 1587118), (17394, 1159817), (25422, 793559), (55081, 366258), (61043, 330486), (110162, 183129), (122086, 165243)]