20217001500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{63277}}^1$

素因数の和:63373

約数の個数: 144

約数和(自身を含む): 64677203136

約数和(自身を除く): 44460201636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 71, 75, 90, 100, 125, 142, 150, 180, 213, 225, 250, 284, 300, 355, 375, 426, 450, 500, 639, 710, 750, 852, 900, 1065, 1125, 1278, 1420, 1500, 1775, 2130, 2250, 2556, 3195, 3550, 4260, 4500, 5325, 6390, 7100, 8875, 10650, 12780, 15975, 17750, 21300, 26625, 31950, 35500, 53250, 63277, 63900, 79875, 106500, 126554, 159750, 189831, 253108, 316385, 319500, 379662, 569493, 632770, 759324, 949155, 1138986, 1265540, 1581925, 1898310, 2277972, 2847465, 3163850, 3796620, 4492667, 4745775, 5694930, 6327700, 7909625, 8985334, 9491550, 11389860, 13478001, 14237325, 15819250, 17970668, 18983100, 22463335, 23728875, 26956002, 28474650, 31638500, 40434003, 44926670, 47457750, 53912004, 56949300, 67390005, 71186625, 80868006, 89853340, 94915500, 112316675, 134780010, 142373250, 161736012, 202170015, 224633350, 269560020, 284746500, 336950025, 404340030, 449266700, 561583375, 673900050, 808680060, 1010850075, 1123166750, 1347800100, 1684750125, 2021700150, 2246333500, 3369500250, 4043400300, 5054250375, 6739000500, 10108500750, 20217001500]

約数ペア:

[(1, 20217001500), (2, 10108500750), (3, 6739000500), (4, 5054250375), (5, 4043400300), (6, 3369500250), (9, 2246333500), (10, 2021700150), (12, 1684750125), (15, 1347800100), (18, 1123166750), (20, 1010850075), (25, 808680060), (30, 673900050), (36, 561583375), (45, 449266700), (50, 404340030), (60, 336950025), (71, 284746500), (75, 269560020), (90, 224633350), (100, 202170015), (125, 161736012), (142, 142373250), (150, 134780010), (180, 112316675), (213, 94915500), (225, 89853340), (250, 80868006), (284, 71186625), (300, 67390005), (355, 56949300), (375, 53912004), (426, 47457750), (450, 44926670), (500, 40434003), (639, 31638500), (710, 28474650), (750, 26956002), (852, 23728875), (900, 22463335), (1065, 18983100), (1125, 17970668), (1278, 15819250), (1420, 14237325), (1500, 13478001), (1775, 11389860), (2130, 9491550), (2250, 8985334), (2556, 7909625), (3195, 6327700), (3550, 5694930), (4260, 4745775), (4500, 4492667), (5325, 3796620), (6390, 3163850), (7100, 2847465), (8875, 2277972), (10650, 1898310), (12780, 1581925), (15975, 1265540), (17750, 1138986), (21300, 949155), (26625, 759324), (31950, 632770), (35500, 569493), (53250, 379662), (63277, 319500), (63900, 316385), (79875, 253108), (106500, 189831), (126554, 159750)]