20865294

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 47508864

約数和(自身を除く): 26643570

約数列:

[1, 2, 3, 6, 9, 18, 31, 61, 62, 93, 122, 183, 186, 279, 366, 549, 558, 613, 1098, 1226, 1839, 1891, 3678, 3782, 5517, 5673, 11034, 11346, 17019, 19003, 34038, 37393, 38006, 57009, 74786, 112179, 114018, 171027, 224358, 336537, 342054, 673074, 1159183, 2318366, 3477549, 6955098, 10432647, 20865294]

約数ペア:

[(1, 20865294), (2, 10432647), (3, 6955098), (6, 3477549), (9, 2318366), (18, 1159183), (31, 673074), (61, 342054), (62, 336537), (93, 224358), (122, 171027), (183, 114018), (186, 112179), (279, 74786), (366, 57009), (549, 38006), (558, 37393), (613, 34038), (1098, 19003), (1226, 17019), (1839, 11346), (1891, 11034), (3678, 5673), (3782, 5517)]