20216605864

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1\times {\mathrm{419}}^1$

素因数の和:983

約数の個数: 128

約数和(自身を含む): 47145369600

約数和(自身を除く): 26928763736

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 191, 347, 364, 382, 419, 694, 728, 764, 838, 1337, 1388, 1528, 1676, 2429, 2483, 2674, 2776, 2933, 3352, 4511, 4858, 4966, 5348, 5447, 5866, 9022, 9716, 9932, 10696, 10894, 11732, 17381, 18044, 19432, 19864, 21788, 23464, 31577, 34762, 36088, 38129, 43576, 63154, 66277, 69524, 76258, 80029, 126308, 132554, 139048, 145393, 152516, 160058, 252616, 265108, 290786, 305032, 320116, 463939, 530216, 560203, 581572, 640232, 861601, 927878, 1017751, 1040377, 1120406, 1163144, 1723202, 1855756, 1890109, 2035502, 2080754, 2240812, 3446404, 3711512, 3780218, 4071004, 4161508, 4481624, 6031207, 6892808, 7282639, 7560436, 8142008, 8323016, 12062414, 13230763, 14565278, 15120872, 24124828, 26461526, 27770063, 29130556, 48249656, 52923052, 55540126, 58261112, 105846104, 111080252, 194390441, 222160504, 361010819, 388780882, 722021638, 777561764, 1444043276, 1555123528, 2527075733, 2888086552, 5054151466, 10108302932, 20216605864]

約数ペア:

[(1, 20216605864), (2, 10108302932), (4, 5054151466), (7, 2888086552), (8, 2527075733), (13, 1555123528), (14, 1444043276), (26, 777561764), (28, 722021638), (52, 388780882), (56, 361010819), (91, 222160504), (104, 194390441), (182, 111080252), (191, 105846104), (347, 58261112), (364, 55540126), (382, 52923052), (419, 48249656), (694, 29130556), (728, 27770063), (764, 26461526), (838, 24124828), (1337, 15120872), (1388, 14565278), (1528, 13230763), (1676, 12062414), (2429, 8323016), (2483, 8142008), (2674, 7560436), (2776, 7282639), (2933, 6892808), (3352, 6031207), (4511, 4481624), (4858, 4161508), (4966, 4071004), (5348, 3780218), (5447, 3711512), (5866, 3446404), (9022, 2240812), (9716, 2080754), (9932, 2035502), (10696, 1890109), (10894, 1855756), (11732, 1723202), (17381, 1163144), (18044, 1120406), (19432, 1040377), (19864, 1017751), (21788, 927878), (23464, 861601), (31577, 640232), (34762, 581572), (36088, 560203), (38129, 530216), (43576, 463939), (63154, 320116), (66277, 305032), (69524, 290786), (76258, 265108), (80029, 252616), (126308, 160058), (132554, 152516), (139048, 145393)]