20710404

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 64209600

約数和(自身を除く): 43499196

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 33, 36, 39, 44, 52, 54, 66, 78, 81, 99, 108, 117, 132, 143, 149, 156, 162, 198, 234, 243, 286, 297, 298, 324, 351, 396, 429, 447, 468, 486, 572, 594, 596, 702, 858, 891, 894, 972, 1053, 1188, 1287, 1341, 1404, 1639, 1716, 1782, 1788, 1937, 2106, 2574, 2673, 2682, 3159, 3278, 3564, 3861, 3874, 4023, 4212, 4917, 5148, 5346, 5364, 5811, 6318, 6556, 7722, 7748, 8046, 9834, 10692, 11583, 11622, 12069, 12636, 14751, 15444, 16092, 17433, 19668, 21307, 23166, 23244, 24138, 29502, 34749, 34866, 36207, 42614, 44253, 46332, 48276, 52299, 59004, 63921, 69498, 69732, 72414, 85228, 88506, 104598, 127842, 132759, 138996, 144828, 156897, 177012, 191763, 209196, 255684, 265518, 313794, 383526, 398277, 470691, 531036, 575289, 627588, 767052, 796554, 941382, 1150578, 1593108, 1725867, 1882764, 2301156, 3451734, 5177601, 6903468, 10355202, 20710404]

約数ペア:

[(1, 20710404), (2, 10355202), (3, 6903468), (4, 5177601), (6, 3451734), (9, 2301156), (11, 1882764), (12, 1725867), (13, 1593108), (18, 1150578), (22, 941382), (26, 796554), (27, 767052), (33, 627588), (36, 575289), (39, 531036), (44, 470691), (52, 398277), (54, 383526), (66, 313794), (78, 265518), (81, 255684), (99, 209196), (108, 191763), (117, 177012), (132, 156897), (143, 144828), (149, 138996), (156, 132759), (162, 127842), (198, 104598), (234, 88506), (243, 85228), (286, 72414), (297, 69732), (298, 69498), (324, 63921), (351, 59004), (396, 52299), (429, 48276), (447, 46332), (468, 44253), (486, 42614), (572, 36207), (594, 34866), (596, 34749), (702, 29502), (858, 24138), (891, 23244), (894, 23166), (972, 21307), (1053, 19668), (1188, 17433), (1287, 16092), (1341, 15444), (1404, 14751), (1639, 12636), (1716, 12069), (1782, 11622), (1788, 11583), (1937, 10692), (2106, 9834), (2574, 8046), (2673, 7748), (2682, 7722), (3159, 6556), (3278, 6318), (3564, 5811), (3861, 5364), (3874, 5346), (4023, 5148), (4212, 4917)]