20020764

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 51988608

約数和(自身を除く): 31967844

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 204, 251, 276, 289, 391, 502, 578, 753, 782, 867, 1004, 1156, 1173, 1506, 1564, 1734, 2346, 3012, 3468, 4267, 4692, 5773, 6647, 8534, 11546, 12801, 13294, 17068, 17319, 19941, 23092, 25602, 26588, 34638, 39882, 51204, 69276, 72539, 79764, 98141, 145078, 196282, 217617, 290156, 294423, 392564, 435234, 588846, 870468, 1177692, 1668397, 3336794, 5005191, 6673588, 10010382, 20020764]

約数ペア:

[(1, 20020764), (2, 10010382), (3, 6673588), (4, 5005191), (6, 3336794), (12, 1668397), (17, 1177692), (23, 870468), (34, 588846), (46, 435234), (51, 392564), (68, 294423), (69, 290156), (92, 217617), (102, 196282), (138, 145078), (204, 98141), (251, 79764), (276, 72539), (289, 69276), (391, 51204), (502, 39882), (578, 34638), (753, 26588), (782, 25602), (867, 23092), (1004, 19941), (1156, 17319), (1173, 17068), (1506, 13294), (1564, 12801), (1734, 11546), (2346, 8534), (3012, 6647), (3468, 5773), (4267, 4692)]