20102550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^3\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 54892320

約数和(自身を除く): 34789770

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 61, 65, 75, 78, 122, 130, 150, 169, 183, 195, 305, 325, 338, 366, 390, 507, 610, 650, 793, 845, 915, 975, 1014, 1525, 1586, 1690, 1830, 1950, 2197, 2379, 2535, 3050, 3965, 4225, 4394, 4575, 4758, 5070, 6591, 7930, 8450, 9150, 10309, 10985, 11895, 12675, 13182, 19825, 20618, 21970, 23790, 25350, 30927, 32955, 39650, 51545, 54925, 59475, 61854, 65910, 103090, 109850, 118950, 134017, 154635, 164775, 257725, 268034, 309270, 329550, 402051, 515450, 670085, 773175, 804102, 1340170, 1546350, 2010255, 3350425, 4020510, 6700850, 10051275, 20102550]

約数ペア:

[(1, 20102550), (2, 10051275), (3, 6700850), (5, 4020510), (6, 3350425), (10, 2010255), (13, 1546350), (15, 1340170), (25, 804102), (26, 773175), (30, 670085), (39, 515450), (50, 402051), (61, 329550), (65, 309270), (75, 268034), (78, 257725), (122, 164775), (130, 154635), (150, 134017), (169, 118950), (183, 109850), (195, 103090), (305, 65910), (325, 61854), (338, 59475), (366, 54925), (390, 51545), (507, 39650), (610, 32955), (650, 30927), (793, 25350), (845, 23790), (915, 21970), (975, 20618), (1014, 19825), (1525, 13182), (1586, 12675), (1690, 11895), (1830, 10985), (1950, 10309), (2197, 9150), (2379, 8450), (2535, 7930), (3050, 6591), (3965, 5070), (4225, 4758), (4394, 4575)]