20953860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20543}}^1$

素因数の和:20572

約数の個数: 48

約数和(自身を含む): 62125056

約数和(自身を除く): 41171196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 20543, 41086, 61629, 82172, 102715, 123258, 205430, 246516, 308145, 349231, 410860, 616290, 698462, 1047693, 1232580, 1396924, 1746155, 2095386, 3492310, 4190772, 5238465, 6984620, 10476930, 20953860]

約数ペア:

[(1, 20953860), (2, 10476930), (3, 6984620), (4, 5238465), (5, 4190772), (6, 3492310), (10, 2095386), (12, 1746155), (15, 1396924), (17, 1232580), (20, 1047693), (30, 698462), (34, 616290), (51, 410860), (60, 349231), (68, 308145), (85, 246516), (102, 205430), (170, 123258), (204, 102715), (255, 82172), (340, 61629), (510, 41086), (1020, 20543)]