20085900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 62995968

約数和(自身を除く): 42910068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 41, 46, 50, 60, 69, 71, 75, 82, 92, 100, 115, 123, 138, 142, 150, 164, 205, 213, 230, 246, 276, 284, 300, 345, 355, 410, 426, 460, 492, 575, 615, 690, 710, 820, 852, 943, 1025, 1065, 1150, 1230, 1380, 1420, 1633, 1725, 1775, 1886, 2050, 2130, 2300, 2460, 2829, 2911, 3075, 3266, 3450, 3550, 3772, 4100, 4260, 4715, 4899, 5325, 5658, 5822, 6150, 6532, 6900, 7100, 8165, 8733, 9430, 9798, 10650, 11316, 11644, 12300, 14145, 14555, 16330, 17466, 18860, 19596, 21300, 23575, 24495, 28290, 29110, 32660, 34932, 40825, 43665, 47150, 48990, 56580, 58220, 66953, 70725, 72775, 81650, 87330, 94300, 97980, 122475, 133906, 141450, 145550, 163300, 174660, 200859, 218325, 244950, 267812, 282900, 291100, 334765, 401718, 436650, 489900, 669530, 803436, 873300, 1004295, 1339060, 1673825, 2008590, 3347650, 4017180, 5021475, 6695300, 10042950, 20085900]

約数ペア:

[(1, 20085900), (2, 10042950), (3, 6695300), (4, 5021475), (5, 4017180), (6, 3347650), (10, 2008590), (12, 1673825), (15, 1339060), (20, 1004295), (23, 873300), (25, 803436), (30, 669530), (41, 489900), (46, 436650), (50, 401718), (60, 334765), (69, 291100), (71, 282900), (75, 267812), (82, 244950), (92, 218325), (100, 200859), (115, 174660), (123, 163300), (138, 145550), (142, 141450), (150, 133906), (164, 122475), (205, 97980), (213, 94300), (230, 87330), (246, 81650), (276, 72775), (284, 70725), (300, 66953), (345, 58220), (355, 56580), (410, 48990), (426, 47150), (460, 43665), (492, 40825), (575, 34932), (615, 32660), (690, 29110), (710, 28290), (820, 24495), (852, 23575), (943, 21300), (1025, 19596), (1065, 18860), (1150, 17466), (1230, 16330), (1380, 14555), (1420, 14145), (1633, 12300), (1725, 11644), (1775, 11316), (1886, 10650), (2050, 9798), (2130, 9430), (2300, 8733), (2460, 8165), (2829, 7100), (2911, 6900), (3075, 6532), (3266, 6150), (3450, 5822), (3550, 5658), (3772, 5325), (4100, 4899), (4260, 4715)]