20165250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 60383232

約数和(自身を除く): 40217982

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 25, 30, 35, 42, 46, 50, 69, 70, 75, 105, 115, 125, 138, 150, 161, 167, 175, 210, 230, 250, 322, 334, 345, 350, 375, 483, 501, 525, 575, 690, 750, 805, 835, 875, 966, 1002, 1050, 1150, 1169, 1610, 1670, 1725, 1750, 2338, 2415, 2505, 2625, 2875, 3450, 3507, 3841, 4025, 4175, 4830, 5010, 5250, 5750, 5845, 7014, 7682, 8050, 8350, 8625, 11523, 11690, 12075, 12525, 17250, 17535, 19205, 20125, 20875, 23046, 24150, 25050, 26887, 29225, 35070, 38410, 40250, 41750, 53774, 57615, 58450, 60375, 62625, 80661, 87675, 96025, 115230, 120750, 125250, 134435, 146125, 161322, 175350, 192050, 268870, 288075, 292250, 403305, 438375, 480125, 576150, 672175, 806610, 876750, 960250, 1344350, 1440375, 2016525, 2880750, 3360875, 4033050, 6721750, 10082625, 20165250]

約数ペア:

[(1, 20165250), (2, 10082625), (3, 6721750), (5, 4033050), (6, 3360875), (7, 2880750), (10, 2016525), (14, 1440375), (15, 1344350), (21, 960250), (23, 876750), (25, 806610), (30, 672175), (35, 576150), (42, 480125), (46, 438375), (50, 403305), (69, 292250), (70, 288075), (75, 268870), (105, 192050), (115, 175350), (125, 161322), (138, 146125), (150, 134435), (161, 125250), (167, 120750), (175, 115230), (210, 96025), (230, 87675), (250, 80661), (322, 62625), (334, 60375), (345, 58450), (350, 57615), (375, 53774), (483, 41750), (501, 40250), (525, 38410), (575, 35070), (690, 29225), (750, 26887), (805, 25050), (835, 24150), (875, 23046), (966, 20875), (1002, 20125), (1050, 19205), (1150, 17535), (1169, 17250), (1610, 12525), (1670, 12075), (1725, 11690), (1750, 11523), (2338, 8625), (2415, 8350), (2505, 8050), (2625, 7682), (2875, 7014), (3450, 5845), (3507, 5750), (3841, 5250), (4025, 5010), (4175, 4830)]