20080476

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 55311984

約数和(自身を除く): 35231508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 107, 117, 156, 214, 234, 321, 401, 428, 468, 642, 802, 963, 1203, 1284, 1391, 1604, 1926, 2406, 2782, 3609, 3852, 4173, 4812, 5213, 5564, 7218, 8346, 10426, 12519, 14436, 15639, 16692, 20852, 25038, 31278, 42907, 46917, 50076, 62556, 85814, 93834, 128721, 171628, 187668, 257442, 386163, 514884, 557791, 772326, 1115582, 1544652, 1673373, 2231164, 3346746, 5020119, 6693492, 10040238, 20080476]

約数ペア:

[(1, 20080476), (2, 10040238), (3, 6693492), (4, 5020119), (6, 3346746), (9, 2231164), (12, 1673373), (13, 1544652), (18, 1115582), (26, 772326), (36, 557791), (39, 514884), (52, 386163), (78, 257442), (107, 187668), (117, 171628), (156, 128721), (214, 93834), (234, 85814), (321, 62556), (401, 50076), (428, 46917), (468, 42907), (642, 31278), (802, 25038), (963, 20852), (1203, 16692), (1284, 15639), (1391, 14436), (1604, 12519), (1926, 10426), (2406, 8346), (2782, 7218), (3609, 5564), (3852, 5213), (4173, 4812)]