20165607896

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{3491}}^1$

素因数の和:3673

約数の個数: 128

約数和(自身を含む): 46764864000

約数和(自身を除く): 26599256104

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 76, 89, 122, 133, 152, 178, 244, 266, 356, 427, 488, 532, 623, 712, 854, 1064, 1159, 1246, 1691, 1708, 2318, 2492, 3382, 3416, 3491, 4636, 4984, 5429, 6764, 6982, 8113, 9272, 10858, 11837, 13528, 13964, 16226, 21716, 23674, 24437, 27928, 32452, 38003, 43432, 47348, 48874, 64904, 66329, 76006, 94696, 97748, 103151, 132658, 152012, 195496, 206302, 212951, 265316, 304024, 310699, 412604, 425902, 464303, 530632, 621398, 722057, 825208, 851804, 928606, 1242796, 1444114, 1490657, 1703608, 1857212, 2174893, 2485592, 2888228, 2981314, 3714424, 4046069, 4349786, 5776456, 5903281, 5962628, 8092138, 8699572, 11806562, 11925256, 16184276, 17399144, 18952639, 23613124, 28322483, 32368552, 37905278, 41322967, 47226248, 56644966, 75810556, 82645934, 113289932, 132668473, 151621112, 165291868, 226579864, 265336946, 330583736, 360100141, 530673892, 720200282, 1061347784, 1440400564, 2520700987, 2880801128, 5041401974, 10082803948, 20165607896]

約数ペア:

[(1, 20165607896), (2, 10082803948), (4, 5041401974), (7, 2880801128), (8, 2520700987), (14, 1440400564), (19, 1061347784), (28, 720200282), (38, 530673892), (56, 360100141), (61, 330583736), (76, 265336946), (89, 226579864), (122, 165291868), (133, 151621112), (152, 132668473), (178, 113289932), (244, 82645934), (266, 75810556), (356, 56644966), (427, 47226248), (488, 41322967), (532, 37905278), (623, 32368552), (712, 28322483), (854, 23613124), (1064, 18952639), (1159, 17399144), (1246, 16184276), (1691, 11925256), (1708, 11806562), (2318, 8699572), (2492, 8092138), (3382, 5962628), (3416, 5903281), (3491, 5776456), (4636, 4349786), (4984, 4046069), (5429, 3714424), (6764, 2981314), (6982, 2888228), (8113, 2485592), (9272, 2174893), (10858, 1857212), (11837, 1703608), (13528, 1490657), (13964, 1444114), (16226, 1242796), (21716, 928606), (23674, 851804), (24437, 825208), (27928, 722057), (32452, 621398), (38003, 530632), (43432, 464303), (47348, 425902), (48874, 412604), (64904, 310699), (66329, 304024), (76006, 265316), (94696, 212951), (97748, 206302), (103151, 195496), (132658, 152012)]