20568900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 67995648

約数和(自身を除く): 47426748

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 25, 30, 33, 44, 46, 50, 55, 60, 66, 69, 75, 92, 100, 110, 115, 132, 138, 150, 165, 220, 230, 253, 271, 275, 276, 300, 330, 345, 460, 506, 542, 550, 575, 660, 690, 759, 813, 825, 1012, 1084, 1100, 1150, 1265, 1355, 1380, 1518, 1626, 1650, 1725, 2300, 2530, 2710, 2981, 3036, 3252, 3300, 3450, 3795, 4065, 5060, 5420, 5962, 6233, 6325, 6775, 6900, 7590, 8130, 8943, 11924, 12466, 12650, 13550, 14905, 15180, 16260, 17886, 18699, 18975, 20325, 24932, 25300, 27100, 29810, 31165, 35772, 37398, 37950, 40650, 44715, 59620, 62330, 68563, 74525, 74796, 75900, 81300, 89430, 93495, 124660, 137126, 149050, 155825, 178860, 186990, 205689, 223575, 274252, 298100, 311650, 342815, 373980, 411378, 447150, 467475, 623300, 685630, 822756, 894300, 934950, 1028445, 1371260, 1714075, 1869900, 2056890, 3428150, 4113780, 5142225, 6856300, 10284450, 20568900]

約数ペア:

[(1, 20568900), (2, 10284450), (3, 6856300), (4, 5142225), (5, 4113780), (6, 3428150), (10, 2056890), (11, 1869900), (12, 1714075), (15, 1371260), (20, 1028445), (22, 934950), (23, 894300), (25, 822756), (30, 685630), (33, 623300), (44, 467475), (46, 447150), (50, 411378), (55, 373980), (60, 342815), (66, 311650), (69, 298100), (75, 274252), (92, 223575), (100, 205689), (110, 186990), (115, 178860), (132, 155825), (138, 149050), (150, 137126), (165, 124660), (220, 93495), (230, 89430), (253, 81300), (271, 75900), (275, 74796), (276, 74525), (300, 68563), (330, 62330), (345, 59620), (460, 44715), (506, 40650), (542, 37950), (550, 37398), (575, 35772), (660, 31165), (690, 29810), (759, 27100), (813, 25300), (825, 24932), (1012, 20325), (1084, 18975), (1100, 18699), (1150, 17886), (1265, 16260), (1355, 15180), (1380, 14905), (1518, 13550), (1626, 12650), (1650, 12466), (1725, 11924), (2300, 8943), (2530, 8130), (2710, 7590), (2981, 6900), (3036, 6775), (3252, 6325), (3300, 6233), (3450, 5962), (3795, 5420), (4065, 5060)]