20654244

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:386

約数の個数: 96

約数和(自身を含む): 59082240

約数和(自身を除く): 38427996

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 47, 52, 54, 78, 94, 108, 117, 141, 156, 188, 234, 282, 313, 351, 423, 468, 564, 611, 626, 702, 846, 939, 1222, 1252, 1269, 1404, 1692, 1833, 1878, 2444, 2538, 2817, 3666, 3756, 4069, 5076, 5499, 5634, 7332, 8138, 8451, 10998, 11268, 12207, 14711, 16276, 16497, 16902, 21996, 24414, 29422, 32994, 33804, 36621, 44133, 48828, 58844, 65988, 73242, 88266, 109863, 132399, 146484, 176532, 191243, 219726, 264798, 382486, 397197, 439452, 529596, 573729, 764972, 794394, 1147458, 1588788, 1721187, 2294916, 3442374, 5163561, 6884748, 10327122, 20654244]

約数ペア:

[(1, 20654244), (2, 10327122), (3, 6884748), (4, 5163561), (6, 3442374), (9, 2294916), (12, 1721187), (13, 1588788), (18, 1147458), (26, 794394), (27, 764972), (36, 573729), (39, 529596), (47, 439452), (52, 397197), (54, 382486), (78, 264798), (94, 219726), (108, 191243), (117, 176532), (141, 146484), (156, 132399), (188, 109863), (234, 88266), (282, 73242), (313, 65988), (351, 58844), (423, 48828), (468, 44133), (564, 36621), (611, 33804), (626, 32994), (702, 29422), (846, 24414), (939, 21996), (1222, 16902), (1252, 16497), (1269, 16276), (1404, 14711), (1692, 12207), (1833, 11268), (1878, 10998), (2444, 8451), (2538, 8138), (2817, 7332), (3666, 5634), (3756, 5499), (4069, 5076)]