20894148

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2777}}^1$

素因数の和:2817

約数の個数: 72

約数和(自身を含む): 60671520

約数和(自身を除く): 39777372

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 2777, 3762, 5554, 7524, 8331, 11108, 16662, 24993, 30547, 33324, 49986, 52763, 61094, 91641, 99972, 105526, 122188, 158289, 183282, 211052, 274923, 316578, 366564, 474867, 549846, 580393, 633156, 949734, 1099692, 1160786, 1741179, 1899468, 2321572, 3482358, 5223537, 6964716, 10447074, 20894148]

約数ペア:

[(1, 20894148), (2, 10447074), (3, 6964716), (4, 5223537), (6, 3482358), (9, 2321572), (11, 1899468), (12, 1741179), (18, 1160786), (19, 1099692), (22, 949734), (33, 633156), (36, 580393), (38, 549846), (44, 474867), (57, 366564), (66, 316578), (76, 274923), (99, 211052), (114, 183282), (132, 158289), (171, 122188), (198, 105526), (209, 99972), (228, 91641), (342, 61094), (396, 52763), (418, 49986), (627, 33324), (684, 30547), (836, 24993), (1254, 16662), (1881, 11108), (2508, 8331), (2777, 7524), (3762, 5554)]