20847960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8273}}^1$

素因数の和:8297

約数の個数: 96

約数和(自身を含む): 77444640

約数和(自身を除く): 56596680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8273, 16546, 24819, 33092, 41365, 49638, 57911, 66184, 74457, 82730, 99276, 115822, 124095, 148914, 165460, 173733, 198552, 231644, 248190, 289555, 297828, 330920, 347466, 372285, 463288, 496380, 521199, 579110, 595656, 694932, 744570, 868665, 992760, 1042398, 1158220, 1389864, 1489140, 1737330, 2084796, 2316440, 2605995, 2978280, 3474660, 4169592, 5211990, 6949320, 10423980, 20847960]

約数ペア:

[(1, 20847960), (2, 10423980), (3, 6949320), (4, 5211990), (5, 4169592), (6, 3474660), (7, 2978280), (8, 2605995), (9, 2316440), (10, 2084796), (12, 1737330), (14, 1489140), (15, 1389864), (18, 1158220), (20, 1042398), (21, 992760), (24, 868665), (28, 744570), (30, 694932), (35, 595656), (36, 579110), (40, 521199), (42, 496380), (45, 463288), (56, 372285), (60, 347466), (63, 330920), (70, 297828), (72, 289555), (84, 248190), (90, 231644), (105, 198552), (120, 173733), (126, 165460), (140, 148914), (168, 124095), (180, 115822), (210, 99276), (252, 82730), (280, 74457), (315, 66184), (360, 57911), (420, 49638), (504, 41365), (630, 33092), (840, 24819), (1260, 16546), (2520, 8273)]