20581236

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 58423680

約数和(自身を除く): 37842444

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 107, 108, 117, 137, 156, 214, 234, 274, 321, 351, 411, 428, 468, 548, 642, 702, 822, 963, 1233, 1284, 1391, 1404, 1644, 1781, 1926, 2466, 2782, 2889, 3562, 3699, 3852, 4173, 4932, 5343, 5564, 5778, 7124, 7398, 8346, 10686, 11556, 12519, 14659, 14796, 16029, 16692, 21372, 25038, 29318, 32058, 37557, 43977, 48087, 50076, 58636, 64116, 75114, 87954, 96174, 131931, 150228, 175908, 190567, 192348, 263862, 381134, 395793, 527724, 571701, 762268, 791586, 1143402, 1583172, 1715103, 2286804, 3430206, 5145309, 6860412, 10290618, 20581236]

約数ペア:

[(1, 20581236), (2, 10290618), (3, 6860412), (4, 5145309), (6, 3430206), (9, 2286804), (12, 1715103), (13, 1583172), (18, 1143402), (26, 791586), (27, 762268), (36, 571701), (39, 527724), (52, 395793), (54, 381134), (78, 263862), (107, 192348), (108, 190567), (117, 175908), (137, 150228), (156, 131931), (214, 96174), (234, 87954), (274, 75114), (321, 64116), (351, 58636), (411, 50076), (428, 48087), (468, 43977), (548, 37557), (642, 32058), (702, 29318), (822, 25038), (963, 21372), (1233, 16692), (1284, 16029), (1391, 14796), (1404, 14659), (1644, 12519), (1781, 11556), (1926, 10686), (2466, 8346), (2782, 7398), (2889, 7124), (3562, 5778), (3699, 5564), (3852, 5343), (4173, 4932)]