20731664904

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1\times {\mathrm{613}}^1$

素因数の和:1131

約数の個数: 128

約数和(自身を含む): 54153031680

約数和(自身を除く): 33421366776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 131, 186, 248, 262, 347, 372, 393, 524, 613, 694, 744, 786, 1041, 1048, 1226, 1388, 1572, 1839, 2082, 2452, 2776, 3144, 3678, 4061, 4164, 4904, 7356, 8122, 8328, 10757, 12183, 14712, 16244, 19003, 21514, 24366, 32271, 32488, 38006, 43028, 45457, 48732, 57009, 64542, 76012, 80303, 86056, 90914, 97464, 114018, 129084, 136371, 152024, 160606, 181828, 212711, 228036, 240909, 258168, 272742, 321212, 363656, 425422, 456072, 481818, 545484, 638133, 642424, 850844, 963636, 1090968, 1276266, 1409167, 1701688, 1927272, 2489393, 2552532, 2818334, 4227501, 4978786, 5105064, 5636668, 6594041, 7468179, 8455002, 9957572, 11273336, 13188082, 14936358, 16910004, 19782123, 19915144, 26376164, 27865141, 29872716, 33820008, 39564246, 52752328, 55730282, 59745432, 79128492, 83595423, 111460564, 158256984, 167190846, 222921128, 334381692, 668763384, 863819371, 1727638742, 2591458113, 3455277484, 5182916226, 6910554968, 10365832452, 20731664904]

約数ペア:

[(1, 20731664904), (2, 10365832452), (3, 6910554968), (4, 5182916226), (6, 3455277484), (8, 2591458113), (12, 1727638742), (24, 863819371), (31, 668763384), (62, 334381692), (93, 222921128), (124, 167190846), (131, 158256984), (186, 111460564), (248, 83595423), (262, 79128492), (347, 59745432), (372, 55730282), (393, 52752328), (524, 39564246), (613, 33820008), (694, 29872716), (744, 27865141), (786, 26376164), (1041, 19915144), (1048, 19782123), (1226, 16910004), (1388, 14936358), (1572, 13188082), (1839, 11273336), (2082, 9957572), (2452, 8455002), (2776, 7468179), (3144, 6594041), (3678, 5636668), (4061, 5105064), (4164, 4978786), (4904, 4227501), (7356, 2818334), (8122, 2552532), (8328, 2489393), (10757, 1927272), (12183, 1701688), (14712, 1409167), (16244, 1276266), (19003, 1090968), (21514, 963636), (24366, 850844), (32271, 642424), (32488, 638133), (38006, 545484), (43028, 481818), (45457, 456072), (48732, 425422), (57009, 363656), (64542, 321212), (76012, 272742), (80303, 258168), (86056, 240909), (90914, 228036), (97464, 212711), (114018, 181828), (129084, 160606), (136371, 152024)]