20177896228

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1669}}^1\times {\mathrm{18773}}^1$

素因数の和:20476

約数の個数: 48

約数和(自身を含む): 42137867520

約数和(自身を除く): 21959971292

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 1669, 3338, 6676, 11683, 18773, 23366, 37546, 38387, 46732, 75092, 76774, 131411, 153548, 262822, 268709, 431779, 525644, 537418, 863558, 1074836, 1727116, 3022453, 6044906, 12089812, 31332137, 62664274, 125328548, 219324959, 438649918, 720639151, 877299836, 1441278302, 2882556604, 5044474057, 10088948114, 20177896228]

約数ペア:

[(1, 20177896228), (2, 10088948114), (4, 5044474057), (7, 2882556604), (14, 1441278302), (23, 877299836), (28, 720639151), (46, 438649918), (92, 219324959), (161, 125328548), (322, 62664274), (644, 31332137), (1669, 12089812), (3338, 6044906), (6676, 3022453), (11683, 1727116), (18773, 1074836), (23366, 863558), (37546, 537418), (38387, 525644), (46732, 431779), (75092, 268709), (76774, 262822), (131411, 153548)]