20198584

素因数分解:

$2^3\times 7^3\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 46872000

約数和(自身を除く): 26673416

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 343, 392, 433, 476, 686, 833, 866, 952, 1372, 1666, 1732, 2744, 3031, 3332, 3464, 5831, 6062, 6664, 7361, 11662, 12124, 14722, 21217, 23324, 24248, 29444, 42434, 46648, 51527, 58888, 84868, 103054, 148519, 169736, 206108, 297038, 360689, 412216, 594076, 721378, 1188152, 1442756, 2524823, 2885512, 5049646, 10099292, 20198584]

約数ペア:

[(1, 20198584), (2, 10099292), (4, 5049646), (7, 2885512), (8, 2524823), (14, 1442756), (17, 1188152), (28, 721378), (34, 594076), (49, 412216), (56, 360689), (68, 297038), (98, 206108), (119, 169736), (136, 148519), (196, 103054), (238, 84868), (343, 58888), (392, 51527), (433, 46648), (476, 42434), (686, 29444), (833, 24248), (866, 23324), (952, 21217), (1372, 14722), (1666, 12124), (1732, 11662), (2744, 7361), (3031, 6664), (3332, 6062), (3464, 5831)]