20609358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1493

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 32474802

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 154, 186, 217, 231, 341, 434, 462, 651, 682, 1023, 1302, 1439, 2046, 2387, 2878, 4317, 4774, 7161, 8634, 10073, 14322, 15829, 20146, 30219, 31658, 44609, 47487, 60438, 89218, 94974, 110803, 133827, 221606, 267654, 312263, 332409, 490699, 624526, 664818, 936789, 981398, 1472097, 1873578, 2944194, 3434893, 6869786, 10304679, 20609358]

約数ペア:

[(1, 20609358), (2, 10304679), (3, 6869786), (6, 3434893), (7, 2944194), (11, 1873578), (14, 1472097), (21, 981398), (22, 936789), (31, 664818), (33, 624526), (42, 490699), (62, 332409), (66, 312263), (77, 267654), (93, 221606), (154, 133827), (186, 110803), (217, 94974), (231, 89218), (341, 60438), (434, 47487), (462, 44609), (651, 31658), (682, 30219), (1023, 20146), (1302, 15829), (1439, 14322), (2046, 10073), (2387, 8634), (2878, 7161), (4317, 4774)]