20121479144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{27277}}^1$

素因数の和:27510

約数の個数: 64

約数和(自身を含む): 41863001040

約数和(自身を除く): 21741521896

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 173, 328, 346, 533, 692, 1066, 1384, 2132, 2249, 4264, 4498, 7093, 8996, 14186, 17992, 27277, 28372, 54554, 56744, 92209, 109108, 184418, 218216, 354601, 368836, 709202, 737672, 1118357, 1418404, 2236714, 2836808, 4473428, 4718921, 8946856, 9437842, 14538641, 18875684, 29077282, 37751368, 58154564, 61345973, 116309128, 122691946, 193475761, 245383892, 386951522, 490767784, 773903044, 1547806088, 2515184893, 5030369786, 10060739572, 20121479144]

約数ペア:

[(1, 20121479144), (2, 10060739572), (4, 5030369786), (8, 2515184893), (13, 1547806088), (26, 773903044), (41, 490767784), (52, 386951522), (82, 245383892), (104, 193475761), (164, 122691946), (173, 116309128), (328, 61345973), (346, 58154564), (533, 37751368), (692, 29077282), (1066, 18875684), (1384, 14538641), (2132, 9437842), (2249, 8946856), (4264, 4718921), (4498, 4473428), (7093, 2836808), (8996, 2236714), (14186, 1418404), (17992, 1118357), (27277, 737672), (28372, 709202), (54554, 368836), (56744, 354601), (92209, 218216), (109108, 184418)]