20199785816

素因数分解:

$2^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1433}}^1\times {\mathrm{1667}}^1$

素因数の和:3264

約数の個数: 64

約数和(自身を含む): 43628474880

約数和(自身を除く): 23428689064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 1433, 1667, 2114, 2866, 3334, 4228, 5732, 6668, 8456, 10031, 11464, 11669, 13336, 20062, 23338, 40124, 46676, 80248, 93352, 216383, 251717, 432766, 503434, 865532, 1006868, 1514681, 1731064, 1762019, 2013736, 2388811, 3029362, 3524038, 4777622, 6058724, 7048076, 9555244, 12117448, 14096152, 16721677, 19110488, 33443354, 66886708, 133773416, 360710461, 721420922, 1442841844, 2524973227, 2885683688, 5049946454, 10099892908, 20199785816]

約数ペア:

[(1, 20199785816), (2, 10099892908), (4, 5049946454), (7, 2885683688), (8, 2524973227), (14, 1442841844), (28, 721420922), (56, 360710461), (151, 133773416), (302, 66886708), (604, 33443354), (1057, 19110488), (1208, 16721677), (1433, 14096152), (1667, 12117448), (2114, 9555244), (2866, 7048076), (3334, 6058724), (4228, 4777622), (5732, 3524038), (6668, 3029362), (8456, 2388811), (10031, 2013736), (11464, 1762019), (11669, 1731064), (13336, 1514681), (20062, 1006868), (23338, 865532), (40124, 503434), (46676, 432766), (80248, 251717), (93352, 216383)]