20861316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4357}}^1$

素因数の和:4393

約数の個数: 72

約数和(自身を含む): 63452480

約数和(自身を除く): 42591164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4357, 4788, 8714, 13071, 17428, 26142, 30499, 39213, 52284, 60998, 78426, 82783, 91497, 121996, 156852, 165566, 182994, 248349, 274491, 331132, 365988, 496698, 548982, 579481, 745047, 993396, 1097964, 1158962, 1490094, 1738443, 2317924, 2980188, 3476886, 5215329, 6953772, 10430658, 20861316]

約数ペア:

[(1, 20861316), (2, 10430658), (3, 6953772), (4, 5215329), (6, 3476886), (7, 2980188), (9, 2317924), (12, 1738443), (14, 1490094), (18, 1158962), (19, 1097964), (21, 993396), (28, 745047), (36, 579481), (38, 548982), (42, 496698), (57, 365988), (63, 331132), (76, 274491), (84, 248349), (114, 182994), (126, 165566), (133, 156852), (171, 121996), (228, 91497), (252, 82783), (266, 78426), (342, 60998), (399, 52284), (532, 39213), (684, 30499), (798, 26142), (1197, 17428), (1596, 13071), (2394, 8714), (4357, 4788)]