20171571780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3037}}^1\times {\mathrm{4813}}^1$

素因数の和:7885

約数の個数: 96

約数和(自身を含む): 58967725824

約数和(自身を除く): 38796154044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 3037, 4813, 6074, 9111, 9626, 12148, 14439, 15185, 18222, 19252, 24065, 28878, 30370, 36444, 45555, 48130, 57756, 60740, 69851, 72195, 91110, 96260, 110699, 139702, 144390, 182220, 209553, 221398, 279404, 288780, 332097, 349255, 419106, 442796, 553495, 664194, 698510, 838212, 1047765, 1106990, 1328388, 1397020, 1660485, 2095530, 2213980, 3320970, 4191060, 6641940, 14617081, 29234162, 43851243, 58468324, 73085405, 87702486, 146170810, 175404972, 219256215, 292341620, 336192863, 438512430, 672385726, 877024860, 1008578589, 1344771452, 1680964315, 2017157178, 3361928630, 4034314356, 5042892945, 6723857260, 10085785890, 20171571780]

約数ペア:

[(1, 20171571780), (2, 10085785890), (3, 6723857260), (4, 5042892945), (5, 4034314356), (6, 3361928630), (10, 2017157178), (12, 1680964315), (15, 1344771452), (20, 1008578589), (23, 877024860), (30, 672385726), (46, 438512430), (60, 336192863), (69, 292341620), (92, 219256215), (115, 175404972), (138, 146170810), (230, 87702486), (276, 73085405), (345, 58468324), (460, 43851243), (690, 29234162), (1380, 14617081), (3037, 6641940), (4813, 4191060), (6074, 3320970), (9111, 2213980), (9626, 2095530), (12148, 1660485), (14439, 1397020), (15185, 1328388), (18222, 1106990), (19252, 1047765), (24065, 838212), (28878, 698510), (30370, 664194), (36444, 553495), (45555, 442796), (48130, 419106), (57756, 349255), (60740, 332097), (69851, 288780), (72195, 279404), (91110, 221398), (96260, 209553), (110699, 182220), (139702, 144390)]