20123847512965

素因数分解:

$5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1663}}^1\times {\mathrm{802183}}^1$

素因数の和:804289

約数の個数: 32

約数和(自身を含む): 27679121473536

約数和(自身を除く): 7555273960571

約数列:

[1, 5, 7, 35, 431, 1663, 2155, 3017, 8315, 11641, 15085, 58205, 716753, 802183, 3583765, 4010915, 5017271, 5615281, 25086355, 28076405, 345740873, 1334030329, 1728704365, 2420186111, 6670151645, 9338212303, 12100930555, 46691061515, 574967071799, 2874835358995, 4024769502593, 20123847512965]

約数ペア:

[(1, 20123847512965), (5, 4024769502593), (7, 2874835358995), (35, 574967071799), (431, 46691061515), (1663, 12100930555), (2155, 9338212303), (3017, 6670151645), (8315, 2420186111), (11641, 1728704365), (15085, 1334030329), (58205, 345740873), (716753, 28076405), (802183, 25086355), (3583765, 5615281), (4010915, 5017271)]