20178646920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1367117}}^1$

素因数の和:1367175

約数の個数: 96

約数和(自身を含む): 67180178520

約数和(自身を除く): 47001531600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1476, 1640, 1845, 2460, 2952, 3690, 4920, 7380, 14760, 1367117, 2734234, 4101351, 5468468, 6835585, 8202702, 10936936, 12304053, 13671170, 16405404, 20506755, 24608106, 27342340, 32810808, 41013510, 49216212, 54684680, 56051797, 61520265, 82027020, 98432424, 112103594, 123040530, 164054040, 168155391, 224207188, 246081060, 280258985, 336310782, 448414376, 492162120, 504466173, 560517970, 672621564, 840776955, 1008932346, 1121035940, 1345243128, 1681553910, 2017864692, 2242071880, 2522330865, 3363107820, 4035729384, 5044661730, 6726215640, 10089323460, 20178646920]

約数ペア:

[(1, 20178646920), (2, 10089323460), (3, 6726215640), (4, 5044661730), (5, 4035729384), (6, 3363107820), (8, 2522330865), (9, 2242071880), (10, 2017864692), (12, 1681553910), (15, 1345243128), (18, 1121035940), (20, 1008932346), (24, 840776955), (30, 672621564), (36, 560517970), (40, 504466173), (41, 492162120), (45, 448414376), (60, 336310782), (72, 280258985), (82, 246081060), (90, 224207188), (120, 168155391), (123, 164054040), (164, 123040530), (180, 112103594), (205, 98432424), (246, 82027020), (328, 61520265), (360, 56051797), (369, 54684680), (410, 49216212), (492, 41013510), (615, 32810808), (738, 27342340), (820, 24608106), (984, 20506755), (1230, 16405404), (1476, 13671170), (1640, 12304053), (1845, 10936936), (2460, 8202702), (2952, 6835585), (3690, 5468468), (4920, 4101351), (7380, 2734234), (14760, 1367117)]