20723430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7591}}^1$

素因数の和:7621

約数の個数: 64

約数和(自身を含む): 61221888

約数和(自身を除く): 40498458

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7591, 15182, 22773, 37955, 45546, 53137, 75910, 98683, 106274, 113865, 159411, 197366, 227730, 265685, 296049, 318822, 493415, 531370, 592098, 690781, 797055, 986830, 1381562, 1480245, 1594110, 2072343, 2960490, 3453905, 4144686, 6907810, 10361715, 20723430]

約数ペア:

[(1, 20723430), (2, 10361715), (3, 6907810), (5, 4144686), (6, 3453905), (7, 2960490), (10, 2072343), (13, 1594110), (14, 1480245), (15, 1381562), (21, 986830), (26, 797055), (30, 690781), (35, 592098), (39, 531370), (42, 493415), (65, 318822), (70, 296049), (78, 265685), (91, 227730), (105, 197366), (130, 159411), (182, 113865), (195, 106274), (210, 98683), (273, 75910), (390, 53137), (455, 45546), (546, 37955), (910, 22773), (1365, 15182), (2730, 7591)]