20142416

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 28068784

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 71, 112, 119, 136, 142, 149, 238, 272, 284, 298, 476, 497, 568, 596, 952, 994, 1043, 1136, 1192, 1207, 1904, 1988, 2086, 2384, 2414, 2533, 3976, 4172, 4828, 5066, 7952, 8344, 8449, 9656, 10132, 10579, 16688, 16898, 17731, 19312, 20264, 21158, 33796, 35462, 40528, 42316, 67592, 70924, 74053, 84632, 135184, 141848, 148106, 169264, 179843, 283696, 296212, 359686, 592424, 719372, 1184848, 1258901, 1438744, 2517802, 2877488, 5035604, 10071208, 20142416]

約数ペア:

[(1, 20142416), (2, 10071208), (4, 5035604), (7, 2877488), (8, 2517802), (14, 1438744), (16, 1258901), (17, 1184848), (28, 719372), (34, 592424), (56, 359686), (68, 296212), (71, 283696), (112, 179843), (119, 169264), (136, 148106), (142, 141848), (149, 135184), (238, 84632), (272, 74053), (284, 70924), (298, 67592), (476, 42316), (497, 40528), (568, 35462), (596, 33796), (952, 21158), (994, 20264), (1043, 19312), (1136, 17731), (1192, 16898), (1207, 16688), (1904, 10579), (1988, 10132), (2086, 9656), (2384, 8449), (2414, 8344), (2533, 7952), (3976, 5066), (4172, 4828)]