20757736

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{683}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 40629600

約数和(自身を除く): 19871864

約数列:

[1, 2, 4, 8, 29, 58, 116, 131, 232, 262, 524, 683, 1048, 1366, 2732, 3799, 5464, 7598, 15196, 19807, 30392, 39614, 79228, 89473, 158456, 178946, 357892, 715784, 2594717, 5189434, 10378868, 20757736]

約数ペア:

[(1, 20757736), (2, 10378868), (4, 5189434), (8, 2594717), (29, 715784), (58, 357892), (116, 178946), (131, 158456), (232, 89473), (262, 79228), (524, 39614), (683, 30392), (1048, 19807), (1366, 15196), (2732, 7598), (3799, 5464)]