20701056

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:132

約数の個数: 128

約数和(自身を含む): 59535360

約数和(自身を除く): 38834304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 37, 47, 48, 62, 64, 74, 93, 94, 96, 111, 124, 128, 141, 148, 186, 188, 192, 222, 248, 282, 296, 372, 376, 384, 444, 496, 564, 592, 744, 752, 888, 992, 1128, 1147, 1184, 1457, 1488, 1504, 1739, 1776, 1984, 2256, 2294, 2368, 2914, 2976, 3008, 3441, 3478, 3552, 3968, 4371, 4512, 4588, 4736, 5217, 5828, 5952, 6016, 6882, 6956, 7104, 8742, 9024, 9176, 10434, 11656, 11904, 13764, 13912, 14208, 17484, 18048, 18352, 20868, 23312, 27528, 27824, 34968, 36704, 41736, 46624, 53909, 55056, 55648, 69936, 73408, 83472, 93248, 107818, 110112, 111296, 139872, 146816, 161727, 166944, 186496, 215636, 220224, 222592, 279744, 323454, 333888, 431272, 440448, 559488, 646908, 667776, 862544, 1293816, 1725088, 2587632, 3450176, 5175264, 6900352, 10350528, 20701056]

約数ペア:

[(1, 20701056), (2, 10350528), (3, 6900352), (4, 5175264), (6, 3450176), (8, 2587632), (12, 1725088), (16, 1293816), (24, 862544), (31, 667776), (32, 646908), (37, 559488), (47, 440448), (48, 431272), (62, 333888), (64, 323454), (74, 279744), (93, 222592), (94, 220224), (96, 215636), (111, 186496), (124, 166944), (128, 161727), (141, 146816), (148, 139872), (186, 111296), (188, 110112), (192, 107818), (222, 93248), (248, 83472), (282, 73408), (296, 69936), (372, 55648), (376, 55056), (384, 53909), (444, 46624), (496, 41736), (564, 36704), (592, 34968), (744, 27824), (752, 27528), (888, 23312), (992, 20868), (1128, 18352), (1147, 18048), (1184, 17484), (1457, 14208), (1488, 13912), (1504, 13764), (1739, 11904), (1776, 11656), (1984, 10434), (2256, 9176), (2294, 9024), (2368, 8742), (2914, 7104), (2976, 6956), (3008, 6882), (3441, 6016), (3478, 5952), (3552, 5828), (3968, 5217), (4371, 4736), (4512, 4588)]