20530770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:947

約数の個数: 64

約数和(自身を含む): 53996544

約数和(自身を除く): 33465774

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 366, 390, 610, 793, 863, 915, 1586, 1726, 1830, 2379, 2589, 3965, 4315, 4758, 5178, 7930, 8630, 11219, 11895, 12945, 22438, 23790, 25890, 33657, 52643, 56095, 67314, 105286, 112190, 157929, 168285, 263215, 315858, 336570, 526430, 684359, 789645, 1368718, 1579290, 2053077, 3421795, 4106154, 6843590, 10265385, 20530770]

約数ペア:

[(1, 20530770), (2, 10265385), (3, 6843590), (5, 4106154), (6, 3421795), (10, 2053077), (13, 1579290), (15, 1368718), (26, 789645), (30, 684359), (39, 526430), (61, 336570), (65, 315858), (78, 263215), (122, 168285), (130, 157929), (183, 112190), (195, 105286), (305, 67314), (366, 56095), (390, 52643), (610, 33657), (793, 25890), (863, 23790), (915, 22438), (1586, 12945), (1726, 11895), (1830, 11219), (2379, 8630), (2589, 7930), (3965, 5178), (4315, 4758)]