20868017256

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{15289}}^1$

素因数の和:15464

約数の個数: 128

約数和(自身を含む): 59447520000

約数和(自身を除く): 38579502744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 89, 108, 142, 178, 213, 216, 267, 284, 356, 426, 534, 568, 639, 712, 801, 852, 1068, 1278, 1602, 1704, 1917, 2136, 2403, 2556, 3204, 3834, 4806, 5112, 6319, 6408, 7668, 9612, 12638, 15289, 15336, 18957, 19224, 25276, 30578, 37914, 45867, 50552, 56871, 61156, 75828, 91734, 113742, 122312, 137601, 151656, 170613, 183468, 227484, 275202, 341226, 366936, 412803, 454968, 550404, 682452, 825606, 1085519, 1100808, 1360721, 1364904, 1651212, 2171038, 2721442, 3256557, 3302424, 4082163, 4342076, 5442884, 6513114, 8164326, 8684152, 9769671, 10885768, 12246489, 13026228, 16328652, 19539342, 24492978, 26052456, 29309013, 32657304, 36739467, 39078684, 48985956, 58618026, 73478934, 78157368, 96611191, 97971912, 117236052, 146957868, 193222382, 234472104, 289833573, 293915736, 386444764, 579667146, 772889528, 869500719, 1159334292, 1739001438, 2318668584, 2608502157, 3478002876, 5217004314, 6956005752, 10434008628, 20868017256]

約数ペア:

[(1, 20868017256), (2, 10434008628), (3, 6956005752), (4, 5217004314), (6, 3478002876), (8, 2608502157), (9, 2318668584), (12, 1739001438), (18, 1159334292), (24, 869500719), (27, 772889528), (36, 579667146), (54, 386444764), (71, 293915736), (72, 289833573), (89, 234472104), (108, 193222382), (142, 146957868), (178, 117236052), (213, 97971912), (216, 96611191), (267, 78157368), (284, 73478934), (356, 58618026), (426, 48985956), (534, 39078684), (568, 36739467), (639, 32657304), (712, 29309013), (801, 26052456), (852, 24492978), (1068, 19539342), (1278, 16328652), (1602, 13026228), (1704, 12246489), (1917, 10885768), (2136, 9769671), (2403, 8684152), (2556, 8164326), (3204, 6513114), (3834, 5442884), (4806, 4342076), (5112, 4082163), (6319, 3302424), (6408, 3256557), (7668, 2721442), (9612, 2171038), (12638, 1651212), (15289, 1364904), (15336, 1360721), (18957, 1100808), (19224, 1085519), (25276, 825606), (30578, 682452), (37914, 550404), (45867, 454968), (50552, 412803), (56871, 366936), (61156, 341226), (75828, 275202), (91734, 227484), (113742, 183468), (122312, 170613), (137601, 151656)]