20437074

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2659}}^1$

素因数の和:2735

約数の個数: 48

約数和(自身を含む): 51455040

約数和(自身を除く): 31017966

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2659, 3843, 5318, 7686, 7977, 15954, 18613, 23931, 37226, 47862, 55839, 111678, 162199, 167517, 324398, 335034, 486597, 973194, 1135393, 1459791, 2270786, 2919582, 3406179, 6812358, 10218537, 20437074]

約数ペア:

[(1, 20437074), (2, 10218537), (3, 6812358), (6, 3406179), (7, 2919582), (9, 2270786), (14, 1459791), (18, 1135393), (21, 973194), (42, 486597), (61, 335034), (63, 324398), (122, 167517), (126, 162199), (183, 111678), (366, 55839), (427, 47862), (549, 37226), (854, 23931), (1098, 18613), (1281, 15954), (2562, 7977), (2659, 7686), (3843, 5318)]