20736430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{853}}^1$

素因数の和:901

約数の個数: 64

約数和(自身を含む): 46484928

約数和(自身を除く): 25748498

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 853, 935, 1105, 1430, 1706, 1870, 2210, 2431, 4265, 4862, 8530, 9383, 11089, 12155, 14501, 18766, 22178, 24310, 29002, 46915, 55445, 72505, 93830, 110890, 121979, 145010, 159511, 188513, 243958, 319022, 377026, 609895, 797555, 942565, 1219790, 1595110, 1885130, 2073643, 4147286, 10368215, 20736430]

約数ペア:

[(1, 20736430), (2, 10368215), (5, 4147286), (10, 2073643), (11, 1885130), (13, 1595110), (17, 1219790), (22, 942565), (26, 797555), (34, 609895), (55, 377026), (65, 319022), (85, 243958), (110, 188513), (130, 159511), (143, 145010), (170, 121979), (187, 110890), (221, 93830), (286, 72505), (374, 55445), (442, 46915), (715, 29002), (853, 24310), (935, 22178), (1105, 18766), (1430, 14501), (1706, 12155), (1870, 11089), (2210, 9383), (2431, 8530), (4265, 4862)]