20399064

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 41808936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 53, 56, 58, 79, 84, 87, 106, 116, 158, 159, 168, 174, 203, 212, 232, 237, 316, 318, 348, 371, 406, 424, 474, 553, 609, 632, 636, 696, 742, 812, 948, 1106, 1113, 1218, 1272, 1484, 1537, 1624, 1659, 1896, 2212, 2226, 2291, 2436, 2968, 3074, 3318, 4187, 4424, 4452, 4582, 4611, 4872, 6148, 6636, 6873, 8374, 8904, 9164, 9222, 10759, 12296, 12561, 13272, 13746, 16037, 16748, 18328, 18444, 21518, 25122, 27492, 29309, 32074, 32277, 33496, 36888, 43036, 48111, 50244, 54984, 58618, 64148, 64554, 86072, 87927, 96222, 100488, 117236, 121423, 128296, 129108, 175854, 192444, 234472, 242846, 258216, 351708, 364269, 384888, 485692, 703416, 728538, 849961, 971384, 1457076, 1699922, 2549883, 2914152, 3399844, 5099766, 6799688, 10199532, 20399064]

約数ペア:

[(1, 20399064), (2, 10199532), (3, 6799688), (4, 5099766), (6, 3399844), (7, 2914152), (8, 2549883), (12, 1699922), (14, 1457076), (21, 971384), (24, 849961), (28, 728538), (29, 703416), (42, 485692), (53, 384888), (56, 364269), (58, 351708), (79, 258216), (84, 242846), (87, 234472), (106, 192444), (116, 175854), (158, 129108), (159, 128296), (168, 121423), (174, 117236), (203, 100488), (212, 96222), (232, 87927), (237, 86072), (316, 64554), (318, 64148), (348, 58618), (371, 54984), (406, 50244), (424, 48111), (474, 43036), (553, 36888), (609, 33496), (632, 32277), (636, 32074), (696, 29309), (742, 27492), (812, 25122), (948, 21518), (1106, 18444), (1113, 18328), (1218, 16748), (1272, 16037), (1484, 13746), (1537, 13272), (1624, 12561), (1659, 12296), (1896, 10759), (2212, 9222), (2226, 9164), (2291, 8904), (2436, 8374), (2968, 6873), (3074, 6636), (3318, 6148), (4187, 4872), (4424, 4611), (4452, 4582)]