20847720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2593}}^1$

素因数の和:2674

約数の個数: 64

約数和(自身を含む): 63501120

約数和(自身を除く): 42653400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2593, 2680, 4020, 5186, 7779, 8040, 10372, 12965, 15558, 20744, 25930, 31116, 38895, 51860, 62232, 77790, 103720, 155580, 173731, 311160, 347462, 521193, 694924, 868655, 1042386, 1389848, 1737310, 2084772, 2605965, 3474620, 4169544, 5211930, 6949240, 10423860, 20847720]

約数ペア:

[(1, 20847720), (2, 10423860), (3, 6949240), (4, 5211930), (5, 4169544), (6, 3474620), (8, 2605965), (10, 2084772), (12, 1737310), (15, 1389848), (20, 1042386), (24, 868655), (30, 694924), (40, 521193), (60, 347462), (67, 311160), (120, 173731), (134, 155580), (201, 103720), (268, 77790), (335, 62232), (402, 51860), (536, 38895), (670, 31116), (804, 25930), (1005, 20744), (1340, 15558), (1608, 12965), (2010, 10372), (2593, 8040), (2680, 7779), (4020, 5186)]