20783399812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{26813}}^1$

素因数の和:26921

約数の個数: 96

約数和(自身を含む): 46128660480

約数和(自身を除く): 25345260668

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 47, 62, 76, 94, 124, 133, 188, 217, 266, 329, 434, 532, 589, 658, 868, 893, 1178, 1316, 1457, 1786, 2356, 2914, 3572, 4123, 5828, 6251, 8246, 10199, 12502, 16492, 20398, 25004, 26813, 27683, 40796, 53626, 55366, 107252, 110732, 187691, 193781, 375382, 387562, 509447, 750764, 775124, 831203, 1018894, 1260211, 1662406, 2037788, 2520422, 3324812, 3566129, 5040844, 5818421, 7132258, 8821477, 11636842, 14264516, 15792857, 17642954, 23273684, 23944009, 31585714, 35285908, 39066541, 47888018, 63171428, 78133082, 95776036, 110549999, 156266164, 167608063, 221099998, 273465787, 335216126, 442199996, 546931574, 670432252, 742264279, 1093863148, 1484528558, 2969057116, 5195849953, 10391699906, 20783399812]

約数ペア:

[(1, 20783399812), (2, 10391699906), (4, 5195849953), (7, 2969057116), (14, 1484528558), (19, 1093863148), (28, 742264279), (31, 670432252), (38, 546931574), (47, 442199996), (62, 335216126), (76, 273465787), (94, 221099998), (124, 167608063), (133, 156266164), (188, 110549999), (217, 95776036), (266, 78133082), (329, 63171428), (434, 47888018), (532, 39066541), (589, 35285908), (658, 31585714), (868, 23944009), (893, 23273684), (1178, 17642954), (1316, 15792857), (1457, 14264516), (1786, 11636842), (2356, 8821477), (2914, 7132258), (3572, 5818421), (4123, 5040844), (5828, 3566129), (6251, 3324812), (8246, 2520422), (10199, 2037788), (12502, 1662406), (16492, 1260211), (20398, 1018894), (25004, 831203), (26813, 775124), (27683, 750764), (40796, 509447), (53626, 387562), (55366, 375382), (107252, 193781), (110732, 187691)]