20682730516

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{21977}}^1$

素因数の和:22097

約数の個数: 96

約数和(自身を含む): 45784569600

約数和(自身を除く): 25101839084

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 61, 76, 116, 122, 133, 203, 244, 266, 406, 427, 532, 551, 812, 854, 1102, 1159, 1708, 1769, 2204, 2318, 3538, 3857, 4636, 7076, 7714, 8113, 12383, 15428, 16226, 21977, 24766, 32452, 33611, 43954, 49532, 67222, 87908, 134444, 153839, 235277, 307678, 417563, 470554, 615356, 637333, 835126, 941108, 1274666, 1340597, 1670252, 2549332, 2681194, 2922941, 4461331, 5362388, 5845882, 8922662, 9384179, 11691764, 12109327, 17845324, 18768358, 24218654, 25471343, 37536716, 38877313, 48437308, 50942686, 77754626, 84765289, 101885372, 155509252, 169530578, 178299401, 272141191, 339061156, 356598802, 544282382, 713197604, 738668947, 1088564764, 1477337894, 2954675788, 5170682629, 10341365258, 20682730516]

約数ペア:

[(1, 20682730516), (2, 10341365258), (4, 5170682629), (7, 2954675788), (14, 1477337894), (19, 1088564764), (28, 738668947), (29, 713197604), (38, 544282382), (58, 356598802), (61, 339061156), (76, 272141191), (116, 178299401), (122, 169530578), (133, 155509252), (203, 101885372), (244, 84765289), (266, 77754626), (406, 50942686), (427, 48437308), (532, 38877313), (551, 37536716), (812, 25471343), (854, 24218654), (1102, 18768358), (1159, 17845324), (1708, 12109327), (1769, 11691764), (2204, 9384179), (2318, 8922662), (3538, 5845882), (3857, 5362388), (4636, 4461331), (7076, 2922941), (7714, 2681194), (8113, 2549332), (12383, 1670252), (15428, 1340597), (16226, 1274666), (21977, 941108), (24766, 835126), (32452, 637333), (33611, 615356), (43954, 470554), (49532, 417563), (67222, 307678), (87908, 235277), (134444, 153839)]