20291237725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1\times {\mathrm{769}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 27670104000

約数和(自身を除く): 7378866275

約数列:

[1, 5, 11, 25, 55, 229, 275, 419, 769, 1145, 2095, 2519, 3845, 4609, 5725, 8459, 10475, 12595, 19225, 23045, 42295, 62975, 95951, 115225, 176101, 211475, 322211, 479755, 880505, 1055461, 1611055, 1937111, 2398775, 3544321, 4402525, 5277305, 8055275, 9685555, 17721605, 26386525, 48427775, 73786319, 88608025, 368931595, 811649509, 1844657975, 4058247545, 20291237725]

約数ペア:

[(1, 20291237725), (5, 4058247545), (11, 1844657975), (25, 811649509), (55, 368931595), (229, 88608025), (275, 73786319), (419, 48427775), (769, 26386525), (1145, 17721605), (2095, 9685555), (2519, 8055275), (3845, 5277305), (4609, 4402525), (5725, 3544321), (8459, 2398775), (10475, 1937111), (12595, 1611055), (19225, 1055461), (23045, 880505), (42295, 479755), (62975, 322211), (95951, 211475), (115225, 176101)]