20725320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2243}}^1$

素因数の和:2275

約数の個数: 128

約数和(自身を含む): 77552640

約数和(自身を除く): 56827320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2243, 2310, 3080, 4486, 4620, 6729, 8972, 9240, 11215, 13458, 15701, 17944, 22430, 24673, 26916, 31402, 33645, 44860, 47103, 49346, 53832, 62804, 67290, 74019, 78505, 89720, 94206, 98692, 123365, 125608, 134580, 148038, 157010, 172711, 188412, 197384, 235515, 246730, 269160, 296076, 314020, 345422, 370095, 376824, 471030, 493460, 518133, 592152, 628040, 690844, 740190, 863555, 942060, 986920, 1036266, 1381688, 1480380, 1727110, 1884120, 2072532, 2590665, 2960760, 3454220, 4145064, 5181330, 6908440, 10362660, 20725320]

約数ペア:

[(1, 20725320), (2, 10362660), (3, 6908440), (4, 5181330), (5, 4145064), (6, 3454220), (7, 2960760), (8, 2590665), (10, 2072532), (11, 1884120), (12, 1727110), (14, 1480380), (15, 1381688), (20, 1036266), (21, 986920), (22, 942060), (24, 863555), (28, 740190), (30, 690844), (33, 628040), (35, 592152), (40, 518133), (42, 493460), (44, 471030), (55, 376824), (56, 370095), (60, 345422), (66, 314020), (70, 296076), (77, 269160), (84, 246730), (88, 235515), (105, 197384), (110, 188412), (120, 172711), (132, 157010), (140, 148038), (154, 134580), (165, 125608), (168, 123365), (210, 98692), (220, 94206), (231, 89720), (264, 78505), (280, 74019), (308, 67290), (330, 62804), (385, 53832), (420, 49346), (440, 47103), (462, 44860), (616, 33645), (660, 31402), (770, 26916), (840, 24673), (924, 22430), (1155, 17944), (1320, 15701), (1540, 13458), (1848, 11215), (2243, 9240), (2310, 8972), (3080, 6729), (4486, 4620)]