20600940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1063}}^1$

素因数の和:1111

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 43749780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1063, 1140, 1292, 1615, 1938, 2126, 3189, 3230, 3876, 4252, 4845, 5315, 6378, 6460, 9690, 10630, 12756, 15945, 18071, 19380, 20197, 21260, 31890, 36142, 40394, 54213, 60591, 63780, 72284, 80788, 90355, 100985, 108426, 121182, 180710, 201970, 216852, 242364, 271065, 302955, 343349, 361420, 403940, 542130, 605910, 686698, 1030047, 1084260, 1211820, 1373396, 1716745, 2060094, 3433490, 4120188, 5150235, 6866980, 10300470, 20600940]

約数ペア:

[(1, 20600940), (2, 10300470), (3, 6866980), (4, 5150235), (5, 4120188), (6, 3433490), (10, 2060094), (12, 1716745), (15, 1373396), (17, 1211820), (19, 1084260), (20, 1030047), (30, 686698), (34, 605910), (38, 542130), (51, 403940), (57, 361420), (60, 343349), (68, 302955), (76, 271065), (85, 242364), (95, 216852), (102, 201970), (114, 180710), (170, 121182), (190, 108426), (204, 100985), (228, 90355), (255, 80788), (285, 72284), (323, 63780), (340, 60591), (380, 54213), (510, 40394), (570, 36142), (646, 31890), (969, 21260), (1020, 20197), (1063, 19380), (1140, 18071), (1292, 15945), (1615, 12756), (1938, 10630), (2126, 9690), (3189, 6460), (3230, 6378), (3876, 5315), (4252, 4845)]