20342848040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{44189}}^1$

素因数の和:44894

約数の個数: 64

約数和(自身を含む): 48536528400

約数和(自身を除く): 28193680360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 677, 680, 1354, 2708, 3385, 5416, 6770, 11509, 13540, 23018, 27080, 44189, 46036, 57545, 88378, 92072, 115090, 176756, 220945, 230180, 353512, 441890, 460360, 751213, 883780, 1502426, 1767560, 3004852, 3756065, 6009704, 7512130, 15024260, 29915953, 30048520, 59831906, 119663812, 149579765, 239327624, 299159530, 508571201, 598319060, 1017142402, 1196638120, 2034284804, 2542856005, 4068569608, 5085712010, 10171424020, 20342848040]

約数ペア:

[(1, 20342848040), (2, 10171424020), (4, 5085712010), (5, 4068569608), (8, 2542856005), (10, 2034284804), (17, 1196638120), (20, 1017142402), (34, 598319060), (40, 508571201), (68, 299159530), (85, 239327624), (136, 149579765), (170, 119663812), (340, 59831906), (677, 30048520), (680, 29915953), (1354, 15024260), (2708, 7512130), (3385, 6009704), (5416, 3756065), (6770, 3004852), (11509, 1767560), (13540, 1502426), (23018, 883780), (27080, 751213), (44189, 460360), (46036, 441890), (57545, 353512), (88378, 230180), (92072, 220945), (115090, 176756)]