20057625

素因数分解:

$3^4\times 5^3\times 7^1\times {\mathrm{283}}^1$

素因数の和:317

約数の個数: 80

約数和(自身を含む): 42886272

約数和(自身を除く): 22828647

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 125, 135, 175, 189, 225, 283, 315, 375, 405, 525, 567, 675, 849, 875, 945, 1125, 1415, 1575, 1981, 2025, 2547, 2625, 2835, 3375, 4245, 4725, 5943, 7075, 7641, 7875, 9905, 10125, 12735, 14175, 17829, 21225, 22923, 23625, 29715, 35375, 38205, 49525, 53487, 63675, 70875, 89145, 106125, 114615, 148575, 160461, 191025, 247625, 267435, 318375, 445725, 573075, 742875, 802305, 955125, 1337175, 2228625, 2865375, 4011525, 6685875, 20057625]

約数ペア:

[(1, 20057625), (3, 6685875), (5, 4011525), (7, 2865375), (9, 2228625), (15, 1337175), (21, 955125), (25, 802305), (27, 742875), (35, 573075), (45, 445725), (63, 318375), (75, 267435), (81, 247625), (105, 191025), (125, 160461), (135, 148575), (175, 114615), (189, 106125), (225, 89145), (283, 70875), (315, 63675), (375, 53487), (405, 49525), (525, 38205), (567, 35375), (675, 29715), (849, 23625), (875, 22923), (945, 21225), (1125, 17829), (1415, 14175), (1575, 12735), (1981, 10125), (2025, 9905), (2547, 7875), (2625, 7641), (2835, 7075), (3375, 5943), (4245, 4725)]