20367972

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1497

約数の個数: 72

約数和(自身を含む): 56923776

約数和(自身を除く): 36555804

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 51, 68, 69, 92, 102, 138, 153, 204, 207, 276, 306, 391, 414, 612, 782, 828, 1173, 1447, 1564, 2346, 2894, 3519, 4341, 4692, 5788, 7038, 8682, 13023, 14076, 17364, 24599, 26046, 33281, 49198, 52092, 66562, 73797, 98396, 99843, 133124, 147594, 199686, 221391, 295188, 299529, 399372, 442782, 565777, 599058, 885564, 1131554, 1198116, 1697331, 2263108, 3394662, 5091993, 6789324, 10183986, 20367972]

約数ペア:

[(1, 20367972), (2, 10183986), (3, 6789324), (4, 5091993), (6, 3394662), (9, 2263108), (12, 1697331), (17, 1198116), (18, 1131554), (23, 885564), (34, 599058), (36, 565777), (46, 442782), (51, 399372), (68, 299529), (69, 295188), (92, 221391), (102, 199686), (138, 147594), (153, 133124), (204, 99843), (207, 98396), (276, 73797), (306, 66562), (391, 52092), (414, 49198), (612, 33281), (782, 26046), (828, 24599), (1173, 17364), (1447, 14076), (1564, 13023), (2346, 8682), (2894, 7038), (3519, 5788), (4341, 4692)]