20348832972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{574631}}^1$

素因数の和:574878

約数の個数: 48

約数和(自身を含む): 51358309632

約数和(自身を除く): 31009476660

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 227, 454, 681, 908, 1362, 2724, 2951, 5902, 8853, 11804, 17706, 35412, 574631, 1149262, 1723893, 2298524, 3447786, 6895572, 7470203, 14940406, 22410609, 29880812, 44821218, 89642436, 130441237, 260882474, 391323711, 521764948, 782647422, 1565294844, 1695736081, 3391472162, 5087208243, 6782944324, 10174416486, 20348832972]

約数ペア:

[(1, 20348832972), (2, 10174416486), (3, 6782944324), (4, 5087208243), (6, 3391472162), (12, 1695736081), (13, 1565294844), (26, 782647422), (39, 521764948), (52, 391323711), (78, 260882474), (156, 130441237), (227, 89642436), (454, 44821218), (681, 29880812), (908, 22410609), (1362, 14940406), (2724, 7470203), (2951, 6895572), (5902, 3447786), (8853, 2298524), (11804, 1723893), (17706, 1149262), (35412, 574631)]