20722548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:613

約数の個数: 96

約数和(自身を含む): 61867008

約数和(自身を除く): 41144460

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 41, 42, 44, 66, 77, 82, 84, 123, 132, 154, 164, 231, 246, 287, 308, 451, 462, 492, 547, 574, 861, 902, 924, 1094, 1148, 1353, 1641, 1722, 1804, 2188, 2706, 3157, 3282, 3444, 3829, 5412, 6017, 6314, 6564, 7658, 9471, 11487, 12034, 12628, 15316, 18051, 18942, 22427, 22974, 24068, 36102, 37884, 42119, 44854, 45948, 67281, 72204, 84238, 89708, 126357, 134562, 156989, 168476, 246697, 252714, 269124, 313978, 470967, 493394, 505428, 627956, 740091, 941934, 986788, 1480182, 1726879, 1883868, 2960364, 3453758, 5180637, 6907516, 10361274, 20722548]

約数ペア:

[(1, 20722548), (2, 10361274), (3, 6907516), (4, 5180637), (6, 3453758), (7, 2960364), (11, 1883868), (12, 1726879), (14, 1480182), (21, 986788), (22, 941934), (28, 740091), (33, 627956), (41, 505428), (42, 493394), (44, 470967), (66, 313978), (77, 269124), (82, 252714), (84, 246697), (123, 168476), (132, 156989), (154, 134562), (164, 126357), (231, 89708), (246, 84238), (287, 72204), (308, 67281), (451, 45948), (462, 44854), (492, 42119), (547, 37884), (574, 36102), (861, 24068), (902, 22974), (924, 22427), (1094, 18942), (1148, 18051), (1353, 15316), (1641, 12628), (1722, 12034), (1804, 11487), (2188, 9471), (2706, 7658), (3157, 6564), (3282, 6314), (3444, 6017), (3829, 5412)]