20931144

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{919}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 57187200

約数和(自身を除く): 36256056

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 73, 78, 104, 146, 156, 219, 292, 312, 438, 584, 876, 919, 949, 1752, 1838, 1898, 2757, 2847, 3676, 3796, 5514, 5694, 7352, 7592, 11028, 11388, 11947, 22056, 22776, 23894, 35841, 47788, 67087, 71682, 95576, 134174, 143364, 201261, 268348, 286728, 402522, 536696, 805044, 872131, 1610088, 1744262, 2616393, 3488524, 5232786, 6977048, 10465572, 20931144]

約数ペア:

[(1, 20931144), (2, 10465572), (3, 6977048), (4, 5232786), (6, 3488524), (8, 2616393), (12, 1744262), (13, 1610088), (24, 872131), (26, 805044), (39, 536696), (52, 402522), (73, 286728), (78, 268348), (104, 201261), (146, 143364), (156, 134174), (219, 95576), (292, 71682), (312, 67087), (438, 47788), (584, 35841), (876, 23894), (919, 22776), (949, 22056), (1752, 11947), (1838, 11388), (1898, 11028), (2757, 7592), (2847, 7352), (3676, 5694), (3796, 5514)]