16700620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 20796980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 619, 710, 1238, 1349, 1420, 2476, 2698, 3095, 5396, 6190, 6745, 11761, 12380, 13490, 23522, 26980, 43949, 47044, 58805, 87898, 117610, 175796, 219745, 235220, 439490, 835031, 878980, 1670062, 3340124, 4175155, 8350310, 16700620]

約数ペア:

[(1, 16700620), (2, 8350310), (4, 4175155), (5, 3340124), (10, 1670062), (19, 878980), (20, 835031), (38, 439490), (71, 235220), (76, 219745), (95, 175796), (142, 117610), (190, 87898), (284, 58805), (355, 47044), (380, 43949), (619, 26980), (710, 23522), (1238, 13490), (1349, 12380), (1420, 11761), (2476, 6745), (2698, 6190), (3095, 5396)]