20179224

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21559}}^1$

素因数の和:21584

約数の個数: 48

約数和(自身を含む): 58858800

約数和(自身を除く): 38679576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21559, 43118, 64677, 86236, 129354, 172472, 194031, 258708, 280267, 388062, 517416, 560534, 776124, 840801, 1121068, 1552248, 1681602, 2242136, 2522403, 3363204, 5044806, 6726408, 10089612, 20179224]

約数ペア:

[(1, 20179224), (2, 10089612), (3, 6726408), (4, 5044806), (6, 3363204), (8, 2522403), (9, 2242136), (12, 1681602), (13, 1552248), (18, 1121068), (24, 840801), (26, 776124), (36, 560534), (39, 517416), (52, 388062), (72, 280267), (78, 258708), (104, 194031), (117, 172472), (156, 129354), (234, 86236), (312, 64677), (468, 43118), (936, 21559)]