20342452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 40144720

約数和(自身を除く): 19802268

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 97, 109, 148, 194, 218, 388, 436, 481, 962, 1261, 1417, 1924, 2522, 2834, 3589, 4033, 5044, 5668, 7178, 8066, 10573, 14356, 16132, 21146, 42292, 46657, 52429, 93314, 104858, 137449, 186628, 209716, 274898, 391201, 549796, 782402, 1564804, 5085613, 10171226, 20342452]

約数ペア:

[(1, 20342452), (2, 10171226), (4, 5085613), (13, 1564804), (26, 782402), (37, 549796), (52, 391201), (74, 274898), (97, 209716), (109, 186628), (148, 137449), (194, 104858), (218, 93314), (388, 52429), (436, 46657), (481, 42292), (962, 21146), (1261, 16132), (1417, 14356), (1924, 10573), (2522, 8066), (2834, 7178), (3589, 5668), (4033, 5044)]