20138073990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1\times {\mathrm{997}}^1$

素因数の和:1662

約数の個数: 128

約数和(自身を含む): 51377614848

約数和(自身を除く): 31239540858

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 37, 62, 74, 93, 111, 155, 185, 186, 222, 310, 370, 465, 555, 587, 930, 997, 1110, 1147, 1174, 1761, 1994, 2294, 2935, 2991, 3441, 3522, 4985, 5735, 5870, 5982, 6882, 8805, 9970, 11470, 14955, 17205, 17610, 18197, 21719, 29910, 30907, 34410, 36394, 36889, 43438, 54591, 61814, 65157, 73778, 90985, 92721, 108595, 109182, 110667, 130314, 154535, 181970, 184445, 185442, 217190, 221334, 272955, 309070, 325785, 368890, 463605, 545910, 553335, 585239, 651570, 673289, 927210, 1106670, 1143559, 1170478, 1346578, 1755717, 2019867, 2287118, 2926195, 3366445, 3430677, 3511434, 4039734, 5717795, 5852390, 6732890, 6861354, 8778585, 10099335, 11435590, 17153385, 17557170, 18142409, 20198670, 21653843, 34306770, 36284818, 43307686, 54427227, 64961529, 90712045, 108269215, 108854454, 129923058, 181424090, 216538430, 272136135, 324807645, 544272270, 649615290, 671269133, 1342538266, 2013807399, 3356345665, 4027614798, 6712691330, 10069036995, 20138073990]

約数ペア:

[(1, 20138073990), (2, 10069036995), (3, 6712691330), (5, 4027614798), (6, 3356345665), (10, 2013807399), (15, 1342538266), (30, 671269133), (31, 649615290), (37, 544272270), (62, 324807645), (74, 272136135), (93, 216538430), (111, 181424090), (155, 129923058), (185, 108854454), (186, 108269215), (222, 90712045), (310, 64961529), (370, 54427227), (465, 43307686), (555, 36284818), (587, 34306770), (930, 21653843), (997, 20198670), (1110, 18142409), (1147, 17557170), (1174, 17153385), (1761, 11435590), (1994, 10099335), (2294, 8778585), (2935, 6861354), (2991, 6732890), (3441, 5852390), (3522, 5717795), (4985, 4039734), (5735, 3511434), (5870, 3430677), (5982, 3366445), (6882, 2926195), (8805, 2287118), (9970, 2019867), (11470, 1755717), (14955, 1346578), (17205, 1170478), (17610, 1143559), (18197, 1106670), (21719, 927210), (29910, 673289), (30907, 651570), (34410, 585239), (36394, 553335), (36889, 545910), (43438, 463605), (54591, 368890), (61814, 325785), (65157, 309070), (73778, 272955), (90985, 221334), (92721, 217190), (108595, 185442), (109182, 184445), (110667, 181970), (130314, 154535)]