20782398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2239}}^1$

素因数の和:2281

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 33407682

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 2239, 3094, 4478, 4641, 6717, 9282, 13434, 15673, 29107, 31346, 38063, 47019, 58214, 76126, 87321, 94038, 114189, 174642, 203749, 228378, 266441, 407498, 494819, 532882, 611247, 799323, 989638, 1222494, 1484457, 1598646, 2968914, 3463733, 6927466, 10391199, 20782398]

約数ペア:

[(1, 20782398), (2, 10391199), (3, 6927466), (6, 3463733), (7, 2968914), (13, 1598646), (14, 1484457), (17, 1222494), (21, 989638), (26, 799323), (34, 611247), (39, 532882), (42, 494819), (51, 407498), (78, 266441), (91, 228378), (102, 203749), (119, 174642), (182, 114189), (221, 94038), (238, 87321), (273, 76126), (357, 58214), (442, 47019), (546, 38063), (663, 31346), (714, 29107), (1326, 15673), (1547, 13434), (2239, 9282), (3094, 6717), (4478, 4641)]