20748330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 58226688

約数和(自身を除く): 37478358

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 71, 85, 90, 102, 142, 153, 170, 191, 213, 255, 306, 355, 382, 426, 510, 573, 639, 710, 765, 955, 1065, 1146, 1207, 1278, 1530, 1719, 1910, 2130, 2414, 2865, 3195, 3247, 3438, 3621, 5730, 6035, 6390, 6494, 7242, 8595, 9741, 10863, 12070, 13561, 16235, 17190, 18105, 19482, 21726, 27122, 29223, 32470, 36210, 40683, 48705, 54315, 58446, 67805, 81366, 97410, 108630, 122049, 135610, 146115, 203415, 230537, 244098, 292230, 406830, 461074, 610245, 691611, 1152685, 1220490, 1383222, 2074833, 2305370, 3458055, 4149666, 6916110, 10374165, 20748330]

約数ペア:

[(1, 20748330), (2, 10374165), (3, 6916110), (5, 4149666), (6, 3458055), (9, 2305370), (10, 2074833), (15, 1383222), (17, 1220490), (18, 1152685), (30, 691611), (34, 610245), (45, 461074), (51, 406830), (71, 292230), (85, 244098), (90, 230537), (102, 203415), (142, 146115), (153, 135610), (170, 122049), (191, 108630), (213, 97410), (255, 81366), (306, 67805), (355, 58446), (382, 54315), (426, 48705), (510, 40683), (573, 36210), (639, 32470), (710, 29223), (765, 27122), (955, 21726), (1065, 19482), (1146, 18105), (1207, 17190), (1278, 16235), (1530, 13561), (1719, 12070), (1910, 10863), (2130, 9741), (2414, 8595), (2865, 7242), (3195, 6494), (3247, 6390), (3438, 6035), (3621, 5730)]