20196403648

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{640099}}^1$

素因数の和:640157

約数の個数: 56

約数和(自身を含む): 43898058000

約数和(自身を除く): 23701654352

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 116, 136, 232, 272, 464, 493, 544, 928, 986, 1088, 1856, 1972, 3944, 7888, 15776, 31552, 640099, 1280198, 2560396, 5120792, 10241584, 10881683, 18562871, 20483168, 21763366, 37125742, 40966336, 43526732, 74251484, 87053464, 148502968, 174106928, 297005936, 315568807, 348213856, 594011872, 631137614, 696427712, 1188023744, 1262275228, 2524550456, 5049100912, 10098201824, 20196403648]

約数ペア:

[(1, 20196403648), (2, 10098201824), (4, 5049100912), (8, 2524550456), (16, 1262275228), (17, 1188023744), (29, 696427712), (32, 631137614), (34, 594011872), (58, 348213856), (64, 315568807), (68, 297005936), (116, 174106928), (136, 148502968), (232, 87053464), (272, 74251484), (464, 43526732), (493, 40966336), (544, 37125742), (928, 21763366), (986, 20483168), (1088, 18562871), (1856, 10881683), (1972, 10241584), (3944, 5120792), (7888, 2560396), (15776, 1280198), (31552, 640099)]