20087704

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{673}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 47557440

約数和(自身を除く): 27469736

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 82, 91, 104, 164, 182, 287, 328, 364, 533, 574, 673, 728, 1066, 1148, 1346, 2132, 2296, 2692, 3731, 4264, 4711, 5384, 7462, 8749, 9422, 14924, 17498, 18844, 27593, 29848, 34996, 37688, 55186, 61243, 69992, 110372, 122486, 193151, 220744, 244972, 358709, 386302, 489944, 717418, 772604, 1434836, 1545208, 2510963, 2869672, 5021926, 10043852, 20087704]

約数ペア:

[(1, 20087704), (2, 10043852), (4, 5021926), (7, 2869672), (8, 2510963), (13, 1545208), (14, 1434836), (26, 772604), (28, 717418), (41, 489944), (52, 386302), (56, 358709), (82, 244972), (91, 220744), (104, 193151), (164, 122486), (182, 110372), (287, 69992), (328, 61243), (364, 55186), (533, 37688), (574, 34996), (673, 29848), (728, 27593), (1066, 18844), (1148, 17498), (1346, 14924), (2132, 9422), (2296, 8749), (2692, 7462), (3731, 5384), (4264, 4711)]