20022940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 52254720

約数和(自身を除く): 32231780

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 47, 68, 70, 85, 94, 119, 140, 170, 179, 188, 235, 238, 329, 340, 358, 470, 476, 595, 658, 716, 799, 895, 940, 1190, 1253, 1316, 1598, 1645, 1790, 2380, 2506, 3043, 3196, 3290, 3580, 3995, 5012, 5593, 6086, 6265, 6580, 7990, 8413, 11186, 12172, 12530, 15215, 15980, 16826, 21301, 22372, 25060, 27965, 30430, 33652, 42065, 42602, 55930, 58891, 60860, 84130, 85204, 106505, 111860, 117782, 143021, 168260, 213010, 235564, 286042, 294455, 426020, 572084, 588910, 715105, 1001147, 1177820, 1430210, 2002294, 2860420, 4004588, 5005735, 10011470, 20022940]

約数ペア:

[(1, 20022940), (2, 10011470), (4, 5005735), (5, 4004588), (7, 2860420), (10, 2002294), (14, 1430210), (17, 1177820), (20, 1001147), (28, 715105), (34, 588910), (35, 572084), (47, 426020), (68, 294455), (70, 286042), (85, 235564), (94, 213010), (119, 168260), (140, 143021), (170, 117782), (179, 111860), (188, 106505), (235, 85204), (238, 84130), (329, 60860), (340, 58891), (358, 55930), (470, 42602), (476, 42065), (595, 33652), (658, 30430), (716, 27965), (799, 25060), (895, 22372), (940, 21301), (1190, 16826), (1253, 15980), (1316, 15215), (1598, 12530), (1645, 12172), (1790, 11186), (2380, 8413), (2506, 7990), (3043, 6580), (3196, 6265), (3290, 6086), (3580, 5593), (3995, 5012)]