20800290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2677}}^1$

素因数の和:2731

約数の個数: 64

約数和(自身を含む): 58616064

約数和(自身を除く): 37815774

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 2677, 3885, 5354, 7770, 8031, 13385, 16062, 18739, 26770, 37478, 40155, 56217, 80310, 93695, 99049, 112434, 187390, 198098, 281085, 297147, 495245, 562170, 594294, 693343, 990490, 1386686, 1485735, 2080029, 2971470, 3466715, 4160058, 6933430, 10400145, 20800290]

約数ペア:

[(1, 20800290), (2, 10400145), (3, 6933430), (5, 4160058), (6, 3466715), (7, 2971470), (10, 2080029), (14, 1485735), (15, 1386686), (21, 990490), (30, 693343), (35, 594294), (37, 562170), (42, 495245), (70, 297147), (74, 281085), (105, 198098), (111, 187390), (185, 112434), (210, 99049), (222, 93695), (259, 80310), (370, 56217), (518, 40155), (555, 37478), (777, 26770), (1110, 18739), (1295, 16062), (1554, 13385), (2590, 8031), (2677, 7770), (3885, 5354)]