20021310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2557}}^1$

素因数の和:2602

約数の個数: 64

約数和(自身を含む): 55252800

約数和(自身を除く): 35231490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1305, 1566, 2557, 2610, 3915, 5114, 7671, 7830, 12785, 15342, 23013, 25570, 38355, 46026, 69039, 74153, 76710, 115065, 138078, 148306, 222459, 230130, 345195, 370765, 444918, 667377, 690390, 741530, 1112295, 1334754, 2002131, 2224590, 3336885, 4004262, 6673770, 10010655, 20021310]

約数ペア:

[(1, 20021310), (2, 10010655), (3, 6673770), (5, 4004262), (6, 3336885), (9, 2224590), (10, 2002131), (15, 1334754), (18, 1112295), (27, 741530), (29, 690390), (30, 667377), (45, 444918), (54, 370765), (58, 345195), (87, 230130), (90, 222459), (135, 148306), (145, 138078), (174, 115065), (261, 76710), (270, 74153), (290, 69039), (435, 46026), (522, 38355), (783, 25570), (870, 23013), (1305, 15342), (1566, 12785), (2557, 7830), (2610, 7671), (3915, 5114)]