20996906100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{433}}^1\times {\mathrm{161639}}^1$

素因数の和:162089

約数の個数: 72

約数和(自身を含む): 60891727680

約数和(自身を除く): 39894821580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 433, 866, 1299, 1732, 2165, 2598, 4330, 5196, 6495, 8660, 10825, 12990, 21650, 25980, 32475, 43300, 64950, 129900, 161639, 323278, 484917, 646556, 808195, 969834, 1616390, 1939668, 2424585, 3232780, 4040975, 4849170, 8081950, 9698340, 12122925, 16163900, 24245850, 48491700, 69989687, 139979374, 209969061, 279958748, 349948435, 419938122, 699896870, 839876244, 1049845305, 1399793740, 1749742175, 2099690610, 3499484350, 4199381220, 5249226525, 6998968700, 10498453050, 20996906100]

約数ペア:

[(1, 20996906100), (2, 10498453050), (3, 6998968700), (4, 5249226525), (5, 4199381220), (6, 3499484350), (10, 2099690610), (12, 1749742175), (15, 1399793740), (20, 1049845305), (25, 839876244), (30, 699896870), (50, 419938122), (60, 349948435), (75, 279958748), (100, 209969061), (150, 139979374), (300, 69989687), (433, 48491700), (866, 24245850), (1299, 16163900), (1732, 12122925), (2165, 9698340), (2598, 8081950), (4330, 4849170), (5196, 4040975), (6495, 3232780), (8660, 2424585), (10825, 1939668), (12990, 1616390), (21650, 969834), (25980, 808195), (32475, 646556), (43300, 484917), (64950, 323278), (129900, 161639)]