20047950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 144

約数和(自身を含む): 60933600

約数和(自身を除く): 40885650

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 25, 26, 30, 39, 45, 46, 50, 65, 69, 75, 78, 90, 115, 117, 130, 138, 149, 150, 195, 207, 225, 230, 234, 298, 299, 325, 345, 390, 414, 447, 450, 575, 585, 598, 650, 690, 745, 894, 897, 975, 1035, 1150, 1170, 1341, 1490, 1495, 1725, 1794, 1937, 1950, 2070, 2235, 2682, 2691, 2925, 2990, 3427, 3450, 3725, 3874, 4470, 4485, 5175, 5382, 5811, 5850, 6705, 6854, 7450, 7475, 8970, 9685, 10281, 10350, 11175, 11622, 13410, 13455, 14950, 17135, 17433, 19370, 20562, 22350, 22425, 26910, 29055, 30843, 33525, 34270, 34866, 44551, 44850, 48425, 51405, 58110, 61686, 67050, 67275, 85675, 87165, 89102, 96850, 102810, 133653, 134550, 145275, 154215, 171350, 174330, 222755, 257025, 267306, 290550, 308430, 400959, 435825, 445510, 514050, 668265, 771075, 801918, 871650, 1113775, 1336530, 1542150, 2004795, 2227550, 3341325, 4009590, 6682650, 10023975, 20047950]

約数ペア:

[(1, 20047950), (2, 10023975), (3, 6682650), (5, 4009590), (6, 3341325), (9, 2227550), (10, 2004795), (13, 1542150), (15, 1336530), (18, 1113775), (23, 871650), (25, 801918), (26, 771075), (30, 668265), (39, 514050), (45, 445510), (46, 435825), (50, 400959), (65, 308430), (69, 290550), (75, 267306), (78, 257025), (90, 222755), (115, 174330), (117, 171350), (130, 154215), (138, 145275), (149, 134550), (150, 133653), (195, 102810), (207, 96850), (225, 89102), (230, 87165), (234, 85675), (298, 67275), (299, 67050), (325, 61686), (345, 58110), (390, 51405), (414, 48425), (447, 44850), (450, 44551), (575, 34866), (585, 34270), (598, 33525), (650, 30843), (690, 29055), (745, 26910), (894, 22425), (897, 22350), (975, 20562), (1035, 19370), (1150, 17433), (1170, 17135), (1341, 14950), (1490, 13455), (1495, 13410), (1725, 11622), (1794, 11175), (1937, 10350), (1950, 10281), (2070, 9685), (2235, 8970), (2682, 7475), (2691, 7450), (2925, 6854), (2990, 6705), (3427, 5850), (3450, 5811), (3725, 5382), (3874, 5175), (4470, 4485)]