20923260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 63104832

約数和(自身を除く): 42181572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 73, 85, 102, 146, 170, 204, 219, 255, 281, 292, 340, 365, 438, 510, 562, 730, 843, 876, 1020, 1095, 1124, 1241, 1405, 1460, 1686, 2190, 2482, 2810, 3372, 3723, 4215, 4380, 4777, 4964, 5620, 6205, 7446, 8430, 9554, 12410, 14331, 14892, 16860, 18615, 19108, 20513, 23885, 24820, 28662, 37230, 41026, 47770, 57324, 61539, 71655, 74460, 82052, 95540, 102565, 123078, 143310, 205130, 246156, 286620, 307695, 348721, 410260, 615390, 697442, 1046163, 1230780, 1394884, 1743605, 2092326, 3487210, 4184652, 5230815, 6974420, 10461630, 20923260]

約数ペア:

[(1, 20923260), (2, 10461630), (3, 6974420), (4, 5230815), (5, 4184652), (6, 3487210), (10, 2092326), (12, 1743605), (15, 1394884), (17, 1230780), (20, 1046163), (30, 697442), (34, 615390), (51, 410260), (60, 348721), (68, 307695), (73, 286620), (85, 246156), (102, 205130), (146, 143310), (170, 123078), (204, 102565), (219, 95540), (255, 82052), (281, 74460), (292, 71655), (340, 61539), (365, 57324), (438, 47770), (510, 41026), (562, 37230), (730, 28662), (843, 24820), (876, 23885), (1020, 20513), (1095, 19108), (1124, 18615), (1241, 16860), (1405, 14892), (1460, 14331), (1686, 12410), (2190, 9554), (2482, 8430), (2810, 7446), (3372, 6205), (3723, 5620), (4215, 4964), (4380, 4777)]