20616156

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 57657600

約数和(自身を除く): 37041444

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 316, 396, 474, 659, 711, 869, 948, 1318, 1422, 1738, 1977, 2607, 2636, 2844, 3476, 3954, 5214, 5931, 7249, 7821, 7908, 10428, 11862, 14498, 15642, 21747, 23724, 28996, 31284, 43494, 52061, 65241, 86988, 104122, 130482, 156183, 208244, 260964, 312366, 468549, 572671, 624732, 937098, 1145342, 1718013, 1874196, 2290684, 3436026, 5154039, 6872052, 10308078, 20616156]

約数ペア:

[(1, 20616156), (2, 10308078), (3, 6872052), (4, 5154039), (6, 3436026), (9, 2290684), (11, 1874196), (12, 1718013), (18, 1145342), (22, 937098), (33, 624732), (36, 572671), (44, 468549), (66, 312366), (79, 260964), (99, 208244), (132, 156183), (158, 130482), (198, 104122), (237, 86988), (316, 65241), (396, 52061), (474, 43494), (659, 31284), (711, 28996), (869, 23724), (948, 21747), (1318, 15642), (1422, 14498), (1738, 11862), (1977, 10428), (2607, 7908), (2636, 7821), (2844, 7249), (3476, 5931), (3954, 5214)]