20157367568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{31847}}^1$

素因数の和:32064

約数の個数: 80

約数和(自身を含む): 44783383680

約数和(自身を除く): 24626016112

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 179, 208, 221, 272, 358, 442, 716, 884, 1432, 1768, 2327, 2864, 3043, 3536, 4654, 6086, 9308, 12172, 18616, 24344, 31847, 37232, 39559, 48688, 63694, 79118, 127388, 158236, 254776, 316472, 414011, 509552, 541399, 632944, 828022, 1082798, 1656044, 2165596, 3312088, 4331192, 5700613, 6624176, 7038187, 8662384, 11401226, 14076374, 22802452, 28152748, 45604904, 56305496, 74107969, 91209808, 96910421, 112610992, 148215938, 193820842, 296431876, 387641684, 592863752, 775283368, 1185727504, 1259835473, 1550566736, 2519670946, 5039341892, 10078683784, 20157367568]

約数ペア:

[(1, 20157367568), (2, 10078683784), (4, 5039341892), (8, 2519670946), (13, 1550566736), (16, 1259835473), (17, 1185727504), (26, 775283368), (34, 592863752), (52, 387641684), (68, 296431876), (104, 193820842), (136, 148215938), (179, 112610992), (208, 96910421), (221, 91209808), (272, 74107969), (358, 56305496), (442, 45604904), (716, 28152748), (884, 22802452), (1432, 14076374), (1768, 11401226), (2327, 8662384), (2864, 7038187), (3043, 6624176), (3536, 5700613), (4654, 4331192), (6086, 3312088), (9308, 2165596), (12172, 1656044), (18616, 1082798), (24344, 828022), (31847, 632944), (37232, 541399), (39559, 509552), (48688, 414011), (63694, 316472), (79118, 254776), (127388, 158236)]