20933820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6121}}^1$

素因数の和:6155

約数の個数: 72

約数和(自身を含む): 66852240

約数和(自身を除く): 45918420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6121, 12242, 18363, 24484, 30605, 36726, 55089, 61210, 73452, 91815, 110178, 116299, 122420, 183630, 220356, 232598, 275445, 348897, 367260, 465196, 550890, 581495, 697794, 1046691, 1101780, 1162990, 1395588, 1744485, 2093382, 2325980, 3488970, 4186764, 5233455, 6977940, 10466910, 20933820]

約数ペア:

[(1, 20933820), (2, 10466910), (3, 6977940), (4, 5233455), (5, 4186764), (6, 3488970), (9, 2325980), (10, 2093382), (12, 1744485), (15, 1395588), (18, 1162990), (19, 1101780), (20, 1046691), (30, 697794), (36, 581495), (38, 550890), (45, 465196), (57, 367260), (60, 348897), (76, 275445), (90, 232598), (95, 220356), (114, 183630), (171, 122420), (180, 116299), (190, 110178), (228, 91815), (285, 73452), (342, 61210), (380, 55089), (570, 36726), (684, 30605), (855, 24484), (1140, 18363), (1710, 12242), (3420, 6121)]