20548350

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 58567680

約数和(自身を除く): 38019330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 90, 93, 135, 150, 155, 186, 225, 270, 279, 310, 450, 465, 491, 558, 675, 775, 837, 930, 982, 1350, 1395, 1473, 1550, 1674, 2325, 2455, 2790, 2946, 4185, 4419, 4650, 4910, 6975, 7365, 8370, 8838, 12275, 13257, 13950, 14730, 15221, 20925, 22095, 24550, 26514, 30442, 36825, 41850, 44190, 45663, 66285, 73650, 76105, 91326, 110475, 132570, 136989, 152210, 220950, 228315, 273978, 331425, 380525, 410967, 456630, 662850, 684945, 761050, 821934, 1141575, 1369890, 2054835, 2283150, 3424725, 4109670, 6849450, 10274175, 20548350]

約数ペア:

[(1, 20548350), (2, 10274175), (3, 6849450), (5, 4109670), (6, 3424725), (9, 2283150), (10, 2054835), (15, 1369890), (18, 1141575), (25, 821934), (27, 761050), (30, 684945), (31, 662850), (45, 456630), (50, 410967), (54, 380525), (62, 331425), (75, 273978), (90, 228315), (93, 220950), (135, 152210), (150, 136989), (155, 132570), (186, 110475), (225, 91326), (270, 76105), (279, 73650), (310, 66285), (450, 45663), (465, 44190), (491, 41850), (558, 36825), (675, 30442), (775, 26514), (837, 24550), (930, 22095), (982, 20925), (1350, 15221), (1395, 14730), (1473, 13950), (1550, 13257), (1674, 12275), (2325, 8838), (2455, 8370), (2790, 7365), (2946, 6975), (4185, 4910), (4419, 4650)]