20178697791

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1163}}^1$

素因数の和:1381

約数の個数: 96

約数和(自身を含む): 34050855168

約数和(自身を除く): 13872157377

約数列:

[1, 3, 7, 17, 21, 49, 51, 53, 119, 131, 147, 159, 357, 371, 393, 833, 901, 917, 1113, 1163, 2227, 2499, 2597, 2703, 2751, 3489, 6307, 6419, 6681, 6943, 7791, 8141, 15589, 18921, 19257, 19771, 20829, 24423, 44149, 46767, 48601, 56987, 59313, 61639, 109123, 118031, 132447, 138397, 145803, 152353, 170961, 184917, 327369, 340207, 354093, 415191, 431473, 457059, 826217, 968779, 1020621, 1047863, 1066471, 1294419, 2478651, 2590001, 2906337, 3020311, 3143589, 3199413, 5783519, 7335041, 7465297, 7770003, 8074709, 9060933, 17350557, 18130007, 22005123, 22395891, 24224127, 51345287, 54390021, 56522963, 126910049, 137270053, 154035861, 169568889, 380730147, 395660741, 411810159, 960890371, 1186982223, 2882671113, 6726232597, 20178697791]

約数ペア:

[(1, 20178697791), (3, 6726232597), (7, 2882671113), (17, 1186982223), (21, 960890371), (49, 411810159), (51, 395660741), (53, 380730147), (119, 169568889), (131, 154035861), (147, 137270053), (159, 126910049), (357, 56522963), (371, 54390021), (393, 51345287), (833, 24224127), (901, 22395891), (917, 22005123), (1113, 18130007), (1163, 17350557), (2227, 9060933), (2499, 8074709), (2597, 7770003), (2703, 7465297), (2751, 7335041), (3489, 5783519), (6307, 3199413), (6419, 3143589), (6681, 3020311), (6943, 2906337), (7791, 2590001), (8141, 2478651), (15589, 1294419), (18921, 1066471), (19257, 1047863), (19771, 1020621), (20829, 968779), (24423, 826217), (44149, 457059), (46767, 431473), (48601, 415191), (56987, 354093), (59313, 340207), (61639, 327369), (109123, 184917), (118031, 170961), (132447, 152353), (138397, 145803)]