20921236476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1\times {\mathrm{13687}}^1$

素因数の和:14319

約数の個数: 96

約数和(自身を含む): 57691963392

約数和(自身を除く): 36770726916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 587, 651, 868, 1174, 1302, 1761, 2348, 2604, 3522, 4109, 7044, 8218, 12327, 13687, 16436, 18197, 24654, 27374, 36394, 41061, 49308, 54591, 54748, 72788, 82122, 95809, 109182, 127379, 164244, 191618, 218364, 254758, 287427, 382137, 383236, 424297, 509516, 574854, 764274, 848594, 1149708, 1272891, 1528548, 1697188, 2545782, 2970079, 5091564, 5940158, 8034269, 8910237, 11880316, 16068538, 17820474, 24102807, 32137076, 35640948, 48205614, 56239883, 96411228, 112479766, 168719649, 224959532, 249062339, 337439298, 498124678, 674878596, 747187017, 996249356, 1494374034, 1743436373, 2988748068, 3486872746, 5230309119, 6973745492, 10460618238, 20921236476]

約数ペア:

[(1, 20921236476), (2, 10460618238), (3, 6973745492), (4, 5230309119), (6, 3486872746), (7, 2988748068), (12, 1743436373), (14, 1494374034), (21, 996249356), (28, 747187017), (31, 674878596), (42, 498124678), (62, 337439298), (84, 249062339), (93, 224959532), (124, 168719649), (186, 112479766), (217, 96411228), (372, 56239883), (434, 48205614), (587, 35640948), (651, 32137076), (868, 24102807), (1174, 17820474), (1302, 16068538), (1761, 11880316), (2348, 8910237), (2604, 8034269), (3522, 5940158), (4109, 5091564), (7044, 2970079), (8218, 2545782), (12327, 1697188), (13687, 1528548), (16436, 1272891), (18197, 1149708), (24654, 848594), (27374, 764274), (36394, 574854), (41061, 509516), (49308, 424297), (54591, 383236), (54748, 382137), (72788, 287427), (82122, 254758), (95809, 218364), (109182, 191618), (127379, 164244)]