20165340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 61641216

約数和(自身を除く): 41475876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 103, 130, 156, 195, 206, 251, 260, 309, 390, 412, 502, 515, 618, 753, 780, 1004, 1030, 1236, 1255, 1339, 1506, 1545, 2060, 2510, 2678, 3012, 3090, 3263, 3765, 4017, 5020, 5356, 6180, 6526, 6695, 7530, 8034, 9789, 13052, 13390, 15060, 16068, 16315, 19578, 20085, 25853, 26780, 32630, 39156, 40170, 48945, 51706, 65260, 77559, 80340, 97890, 103412, 129265, 155118, 195780, 258530, 310236, 336089, 387795, 517060, 672178, 775590, 1008267, 1344356, 1551180, 1680445, 2016534, 3360890, 4033068, 5041335, 6721780, 10082670, 20165340]

約数ペア:

[(1, 20165340), (2, 10082670), (3, 6721780), (4, 5041335), (5, 4033068), (6, 3360890), (10, 2016534), (12, 1680445), (13, 1551180), (15, 1344356), (20, 1008267), (26, 775590), (30, 672178), (39, 517060), (52, 387795), (60, 336089), (65, 310236), (78, 258530), (103, 195780), (130, 155118), (156, 129265), (195, 103412), (206, 97890), (251, 80340), (260, 77559), (309, 65260), (390, 51706), (412, 48945), (502, 40170), (515, 39156), (618, 32630), (753, 26780), (780, 25853), (1004, 20085), (1030, 19578), (1236, 16315), (1255, 16068), (1339, 15060), (1506, 13390), (1545, 13052), (2060, 9789), (2510, 8034), (2678, 7530), (3012, 6695), (3090, 6526), (3263, 6180), (3765, 5356), (4017, 5020)]