20433840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12163}}^1$

素因数の和:12186

約数の個数: 80

約数和(自身を含む): 72400128

約数和(自身を除く): 51966288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12163, 24326, 36489, 48652, 60815, 72978, 85141, 97304, 121630, 145956, 170282, 182445, 194608, 243260, 255423, 291912, 340564, 364890, 425705, 486520, 510846, 583824, 681128, 729780, 851410, 973040, 1021692, 1277115, 1362256, 1459560, 1702820, 2043384, 2554230, 2919120, 3405640, 4086768, 5108460, 6811280, 10216920, 20433840]

約数ペア:

[(1, 20433840), (2, 10216920), (3, 6811280), (4, 5108460), (5, 4086768), (6, 3405640), (7, 2919120), (8, 2554230), (10, 2043384), (12, 1702820), (14, 1459560), (15, 1362256), (16, 1277115), (20, 1021692), (21, 973040), (24, 851410), (28, 729780), (30, 681128), (35, 583824), (40, 510846), (42, 486520), (48, 425705), (56, 364890), (60, 340564), (70, 291912), (80, 255423), (84, 243260), (105, 194608), (112, 182445), (120, 170282), (140, 145956), (168, 121630), (210, 97304), (240, 85141), (280, 72978), (336, 60815), (420, 48652), (560, 36489), (840, 24326), (1680, 12163)]