20199497992

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1\times {\mathrm{773}}^1$

素因数の和:1270

約数の個数: 64

約数和(自身を含む): 38786688000

約数和(自身を除く): 18587190008

約数列:

[1, 2, 4, 8, 79, 158, 173, 239, 316, 346, 478, 632, 692, 773, 956, 1384, 1546, 1912, 3092, 6184, 13667, 18881, 27334, 37762, 41347, 54668, 61067, 75524, 82694, 109336, 122134, 133729, 151048, 165388, 184747, 244268, 267458, 330776, 369494, 488536, 534916, 738988, 1069832, 1477976, 3266413, 6532826, 10564591, 13065652, 14595013, 21129182, 26131304, 29190026, 31961231, 42258364, 58380052, 63922462, 84516728, 116760104, 127844924, 255689848, 2524937249, 5049874498, 10099748996, 20199497992]

約数ペア:

[(1, 20199497992), (2, 10099748996), (4, 5049874498), (8, 2524937249), (79, 255689848), (158, 127844924), (173, 116760104), (239, 84516728), (316, 63922462), (346, 58380052), (478, 42258364), (632, 31961231), (692, 29190026), (773, 26131304), (956, 21129182), (1384, 14595013), (1546, 13065652), (1912, 10564591), (3092, 6532826), (6184, 3266413), (13667, 1477976), (18881, 1069832), (27334, 738988), (37762, 534916), (41347, 488536), (54668, 369494), (61067, 330776), (75524, 267458), (82694, 244268), (109336, 184747), (122134, 165388), (133729, 151048)]