20284056

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1667}}^1$

素因数の和:1705

約数の個数: 72

約数和(自身を含む): 59522580

約数和(自身を除く): 39238524

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 1667, 2028, 3042, 3334, 4056, 5001, 6084, 6668, 10002, 12168, 13336, 15003, 20004, 21671, 30006, 40008, 43342, 60012, 65013, 86684, 120024, 130026, 173368, 195039, 260052, 281723, 390078, 520104, 563446, 780156, 845169, 1126892, 1560312, 1690338, 2253784, 2535507, 3380676, 5071014, 6761352, 10142028, 20284056]

約数ペア:

[(1, 20284056), (2, 10142028), (3, 6761352), (4, 5071014), (6, 3380676), (8, 2535507), (9, 2253784), (12, 1690338), (13, 1560312), (18, 1126892), (24, 845169), (26, 780156), (36, 563446), (39, 520104), (52, 390078), (72, 281723), (78, 260052), (104, 195039), (117, 173368), (156, 130026), (169, 120024), (234, 86684), (312, 65013), (338, 60012), (468, 43342), (507, 40008), (676, 30006), (936, 21671), (1014, 20004), (1352, 15003), (1521, 13336), (1667, 12168), (2028, 10002), (3042, 6668), (3334, 6084), (4056, 5001)]