20201922

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:292

約数の個数: 72

約数和(自身を含む): 49245300

約数和(自身を除く): 29043378

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 39, 58, 78, 87, 117, 169, 174, 229, 234, 261, 338, 377, 458, 507, 522, 687, 754, 1014, 1131, 1374, 1521, 2061, 2262, 2977, 3042, 3393, 4122, 4901, 5954, 6641, 6786, 8931, 9802, 13282, 14703, 17862, 19923, 26793, 29406, 38701, 39846, 44109, 53586, 59769, 77402, 86333, 88218, 116103, 119538, 172666, 232206, 258999, 348309, 517998, 696618, 776997, 1122329, 1553994, 2244658, 3366987, 6733974, 10100961, 20201922]

約数ペア:

[(1, 20201922), (2, 10100961), (3, 6733974), (6, 3366987), (9, 2244658), (13, 1553994), (18, 1122329), (26, 776997), (29, 696618), (39, 517998), (58, 348309), (78, 258999), (87, 232206), (117, 172666), (169, 119538), (174, 116103), (229, 88218), (234, 86333), (261, 77402), (338, 59769), (377, 53586), (458, 44109), (507, 39846), (522, 38701), (687, 29406), (754, 26793), (1014, 19923), (1131, 17862), (1374, 14703), (1521, 13282), (2061, 9802), (2262, 8931), (2977, 6786), (3042, 6641), (3393, 5954), (4122, 4901)]