20909166840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{260453}}^1$

素因数の和:260693

約数の個数: 96

約数和(自身を含む): 68259784320

約数和(自身を除く): 47350617480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 223, 360, 446, 669, 892, 1115, 1338, 1784, 2007, 2230, 2676, 3345, 4014, 4460, 5352, 6690, 8028, 8920, 10035, 13380, 16056, 20070, 26760, 40140, 80280, 260453, 520906, 781359, 1041812, 1302265, 1562718, 2083624, 2344077, 2604530, 3125436, 3906795, 4688154, 5209060, 6250872, 7813590, 9376308, 10418120, 11720385, 15627180, 18752616, 23440770, 31254360, 46881540, 58081019, 93763080, 116162038, 174243057, 232324076, 290405095, 348486114, 464648152, 522729171, 580810190, 696972228, 871215285, 1045458342, 1161620380, 1393944456, 1742430570, 2090916684, 2323240760, 2613645855, 3484861140, 4181833368, 5227291710, 6969722280, 10454583420, 20909166840]

約数ペア:

[(1, 20909166840), (2, 10454583420), (3, 6969722280), (4, 5227291710), (5, 4181833368), (6, 3484861140), (8, 2613645855), (9, 2323240760), (10, 2090916684), (12, 1742430570), (15, 1393944456), (18, 1161620380), (20, 1045458342), (24, 871215285), (30, 696972228), (36, 580810190), (40, 522729171), (45, 464648152), (60, 348486114), (72, 290405095), (90, 232324076), (120, 174243057), (180, 116162038), (223, 93763080), (360, 58081019), (446, 46881540), (669, 31254360), (892, 23440770), (1115, 18752616), (1338, 15627180), (1784, 11720385), (2007, 10418120), (2230, 9376308), (2676, 7813590), (3345, 6250872), (4014, 5209060), (4460, 4688154), (5352, 3906795), (6690, 3125436), (8028, 2604530), (8920, 2344077), (10035, 2083624), (13380, 1562718), (16056, 1302265), (20070, 1041812), (26760, 781359), (40140, 520906), (80280, 260453)]