20924070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 31607130

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 149, 151, 155, 186, 298, 302, 310, 447, 453, 465, 745, 755, 894, 906, 930, 1490, 1510, 2235, 2265, 4470, 4530, 4619, 4681, 9238, 9362, 13857, 14043, 22499, 23095, 23405, 27714, 28086, 44998, 46190, 46810, 67497, 69285, 70215, 112495, 134994, 138570, 140430, 224990, 337485, 674970, 697469, 1394938, 2092407, 3487345, 4184814, 6974690, 10462035, 20924070]

約数ペア:

[(1, 20924070), (2, 10462035), (3, 6974690), (5, 4184814), (6, 3487345), (10, 2092407), (15, 1394938), (30, 697469), (31, 674970), (62, 337485), (93, 224990), (149, 140430), (151, 138570), (155, 134994), (186, 112495), (298, 70215), (302, 69285), (310, 67497), (447, 46810), (453, 46190), (465, 44998), (745, 28086), (755, 27714), (894, 23405), (906, 23095), (930, 22499), (1490, 14043), (1510, 13857), (2235, 9362), (2265, 9238), (4470, 4681), (4530, 4619)]