20117916

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 47619684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 23, 26, 27, 28, 36, 39, 42, 46, 52, 54, 63, 69, 78, 84, 89, 91, 92, 108, 117, 126, 138, 156, 161, 178, 182, 189, 207, 234, 252, 267, 273, 276, 299, 322, 351, 356, 364, 378, 414, 468, 483, 534, 546, 598, 621, 623, 644, 702, 756, 801, 819, 828, 897, 966, 1068, 1092, 1157, 1196, 1242, 1246, 1404, 1449, 1602, 1638, 1794, 1869, 1932, 2047, 2093, 2314, 2403, 2457, 2484, 2492, 2691, 2898, 3204, 3276, 3471, 3588, 3738, 4094, 4186, 4347, 4628, 4806, 4914, 5382, 5607, 5796, 6141, 6279, 6942, 7476, 8073, 8099, 8188, 8372, 8694, 9612, 9828, 10413, 10764, 11214, 12282, 12558, 13884, 14329, 16146, 16198, 16821, 17388, 18423, 18837, 20826, 22428, 24297, 24564, 25116, 26611, 28658, 31239, 32292, 32396, 33642, 36846, 37674, 41652, 42987, 48594, 53222, 55269, 56511, 57316, 62478, 67284, 72891, 73692, 75348, 79833, 85974, 97188, 106444, 110538, 113022, 124956, 128961, 145782, 159666, 171948, 186277, 218673, 221076, 226044, 239499, 257922, 291564, 319332, 372554, 386883, 437346, 478998, 515844, 558831, 718497, 745108, 773766, 874692, 957996, 1117662, 1436994, 1547532, 1676493, 2235324, 2873988, 3352986, 5029479, 6705972, 10058958, 20117916]

約数ペア:

[(1, 20117916), (2, 10058958), (3, 6705972), (4, 5029479), (6, 3352986), (7, 2873988), (9, 2235324), (12, 1676493), (13, 1547532), (14, 1436994), (18, 1117662), (21, 957996), (23, 874692), (26, 773766), (27, 745108), (28, 718497), (36, 558831), (39, 515844), (42, 478998), (46, 437346), (52, 386883), (54, 372554), (63, 319332), (69, 291564), (78, 257922), (84, 239499), (89, 226044), (91, 221076), (92, 218673), (108, 186277), (117, 171948), (126, 159666), (138, 145782), (156, 128961), (161, 124956), (178, 113022), (182, 110538), (189, 106444), (207, 97188), (234, 85974), (252, 79833), (267, 75348), (273, 73692), (276, 72891), (299, 67284), (322, 62478), (351, 57316), (356, 56511), (364, 55269), (378, 53222), (414, 48594), (468, 42987), (483, 41652), (534, 37674), (546, 36846), (598, 33642), (621, 32396), (623, 32292), (644, 31239), (702, 28658), (756, 26611), (801, 25116), (819, 24564), (828, 24297), (897, 22428), (966, 20826), (1068, 18837), (1092, 18423), (1157, 17388), (1196, 16821), (1242, 16198), (1246, 16146), (1404, 14329), (1449, 13884), (1602, 12558), (1638, 12282), (1794, 11214), (1869, 10764), (1932, 10413), (2047, 9828), (2093, 9612), (2314, 8694), (2403, 8372), (2457, 8188), (2484, 8099), (2492, 8073), (2691, 7476), (2898, 6942), (3204, 6279), (3276, 6141), (3471, 5796), (3588, 5607), (3738, 5382), (4094, 4914), (4186, 4806), (4347, 4628)]