20304877356

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{449}}^1\times {\mathrm{15901}}^1$

素因数の和:16439

約数の個数: 72

約数和(自身を含む): 52094952000

約数和(自身を除く): 31790074644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 449, 474, 711, 898, 948, 1347, 1422, 1796, 2694, 2844, 4041, 5388, 8082, 15901, 16164, 31802, 35471, 47703, 63604, 70942, 95406, 106413, 141884, 143109, 190812, 212826, 286218, 319239, 425652, 572436, 638478, 1256179, 1276956, 2512358, 3768537, 5024716, 7139549, 7537074, 11305611, 14279098, 15074148, 21418647, 22611222, 28558196, 42837294, 45222444, 64255941, 85674588, 128511882, 257023764, 564024371, 1128048742, 1692073113, 2256097484, 3384146226, 5076219339, 6768292452, 10152438678, 20304877356]

約数ペア:

[(1, 20304877356), (2, 10152438678), (3, 6768292452), (4, 5076219339), (6, 3384146226), (9, 2256097484), (12, 1692073113), (18, 1128048742), (36, 564024371), (79, 257023764), (158, 128511882), (237, 85674588), (316, 64255941), (449, 45222444), (474, 42837294), (711, 28558196), (898, 22611222), (948, 21418647), (1347, 15074148), (1422, 14279098), (1796, 11305611), (2694, 7537074), (2844, 7139549), (4041, 5024716), (5388, 3768537), (8082, 2512358), (15901, 1276956), (16164, 1256179), (31802, 638478), (35471, 572436), (47703, 425652), (63604, 319239), (70942, 286218), (95406, 212826), (106413, 190812), (141884, 143109)]