20565659900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{48197}}^1$

素因数の和:48479

約数の個数: 72

約数和(自身を含む): 47441869776

約数和(自身を除く): 26876209876

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 251, 340, 425, 502, 850, 1004, 1255, 1700, 2510, 4267, 5020, 6275, 8534, 12550, 17068, 21335, 25100, 42670, 48197, 85340, 96394, 106675, 192788, 213350, 240985, 426700, 481970, 819349, 963940, 1204925, 1638698, 2409850, 3277396, 4096745, 4819700, 8193490, 12097447, 16386980, 20483725, 24194894, 40967450, 48389788, 60487235, 81934900, 120974470, 205656599, 241948940, 302436175, 411313198, 604872350, 822626396, 1028282995, 1209744700, 2056565990, 4113131980, 5141414975, 10282829950, 20565659900]

約数ペア:

[(1, 20565659900), (2, 10282829950), (4, 5141414975), (5, 4113131980), (10, 2056565990), (17, 1209744700), (20, 1028282995), (25, 822626396), (34, 604872350), (50, 411313198), (68, 302436175), (85, 241948940), (100, 205656599), (170, 120974470), (251, 81934900), (340, 60487235), (425, 48389788), (502, 40967450), (850, 24194894), (1004, 20483725), (1255, 16386980), (1700, 12097447), (2510, 8193490), (4267, 4819700), (5020, 4096745), (6275, 3277396), (8534, 2409850), (12550, 1638698), (17068, 1204925), (21335, 963940), (25100, 819349), (42670, 481970), (48197, 426700), (85340, 240985), (96394, 213350), (106675, 192788)]