20914452

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 62375040

約数和(自身を除く): 41460588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 29, 36, 39, 46, 52, 58, 67, 69, 78, 87, 92, 116, 117, 134, 138, 156, 174, 201, 207, 234, 261, 268, 276, 299, 348, 377, 402, 414, 468, 522, 598, 603, 667, 754, 804, 828, 871, 897, 1044, 1131, 1196, 1206, 1334, 1508, 1541, 1742, 1794, 1943, 2001, 2262, 2412, 2613, 2668, 2691, 3082, 3393, 3484, 3588, 3886, 4002, 4524, 4623, 5226, 5382, 5829, 6003, 6164, 6786, 7772, 7839, 8004, 8671, 9246, 10452, 10764, 11658, 12006, 13572, 13869, 15678, 17342, 17487, 18492, 20033, 23316, 24012, 25259, 26013, 27738, 31356, 34684, 34974, 40066, 44689, 50518, 52026, 55476, 60099, 69948, 75777, 78039, 80132, 89378, 101036, 104052, 120198, 134067, 151554, 156078, 178756, 180297, 227331, 240396, 268134, 303108, 312156, 360594, 402201, 454662, 536268, 580957, 721188, 804402, 909324, 1161914, 1608804, 1742871, 2323828, 3485742, 5228613, 6971484, 10457226, 20914452]

約数ペア:

[(1, 20914452), (2, 10457226), (3, 6971484), (4, 5228613), (6, 3485742), (9, 2323828), (12, 1742871), (13, 1608804), (18, 1161914), (23, 909324), (26, 804402), (29, 721188), (36, 580957), (39, 536268), (46, 454662), (52, 402201), (58, 360594), (67, 312156), (69, 303108), (78, 268134), (87, 240396), (92, 227331), (116, 180297), (117, 178756), (134, 156078), (138, 151554), (156, 134067), (174, 120198), (201, 104052), (207, 101036), (234, 89378), (261, 80132), (268, 78039), (276, 75777), (299, 69948), (348, 60099), (377, 55476), (402, 52026), (414, 50518), (468, 44689), (522, 40066), (598, 34974), (603, 34684), (667, 31356), (754, 27738), (804, 26013), (828, 25259), (871, 24012), (897, 23316), (1044, 20033), (1131, 18492), (1196, 17487), (1206, 17342), (1334, 15678), (1508, 13869), (1541, 13572), (1742, 12006), (1794, 11658), (1943, 10764), (2001, 10452), (2262, 9246), (2412, 8671), (2613, 8004), (2668, 7839), (2691, 7772), (3082, 6786), (3393, 6164), (3484, 6003), (3588, 5829), (3886, 5382), (4002, 5226), (4524, 4623)]