20154733860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{19819}}^1$

素因数の和:20845

約数の個数: 96

約数和(自身を含む): 59815808640

約数和(自身を除く): 39661074780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 997, 1020, 1994, 2991, 3988, 4985, 5982, 9970, 11964, 14955, 16949, 19819, 19940, 29910, 33898, 39638, 50847, 59457, 59820, 67796, 79276, 84745, 99095, 101694, 118914, 169490, 198190, 203388, 237828, 254235, 297285, 336923, 338980, 396380, 508470, 594570, 673846, 1010769, 1016940, 1189140, 1347692, 1684615, 2021538, 3369230, 4043076, 5053845, 6738460, 10107690, 19759543, 20215380, 39519086, 59278629, 79038172, 98797715, 118557258, 197595430, 237114516, 296393145, 335912231, 395190860, 592786290, 671824462, 1007736693, 1185572580, 1343648924, 1679561155, 2015473386, 3359122310, 4030946772, 5038683465, 6718244620, 10077366930, 20154733860]

約数ペア:

[(1, 20154733860), (2, 10077366930), (3, 6718244620), (4, 5038683465), (5, 4030946772), (6, 3359122310), (10, 2015473386), (12, 1679561155), (15, 1343648924), (17, 1185572580), (20, 1007736693), (30, 671824462), (34, 592786290), (51, 395190860), (60, 335912231), (68, 296393145), (85, 237114516), (102, 197595430), (170, 118557258), (204, 98797715), (255, 79038172), (340, 59278629), (510, 39519086), (997, 20215380), (1020, 19759543), (1994, 10107690), (2991, 6738460), (3988, 5053845), (4985, 4043076), (5982, 3369230), (9970, 2021538), (11964, 1684615), (14955, 1347692), (16949, 1189140), (19819, 1016940), (19940, 1010769), (29910, 673846), (33898, 594570), (39638, 508470), (50847, 396380), (59457, 338980), (59820, 336923), (67796, 297285), (79276, 254235), (84745, 237828), (99095, 203388), (101694, 198190), (118914, 169490)]