20384370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 55710720

約数和(自身を除く): 35326350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 61, 79, 90, 94, 122, 141, 158, 183, 235, 237, 282, 305, 366, 395, 423, 470, 474, 549, 610, 705, 711, 790, 846, 915, 1098, 1185, 1410, 1422, 1830, 2115, 2370, 2745, 2867, 3555, 3713, 4230, 4819, 5490, 5734, 7110, 7426, 8601, 9638, 11139, 14335, 14457, 17202, 18565, 22278, 24095, 25803, 28670, 28914, 33417, 37130, 43005, 43371, 48190, 51606, 55695, 66834, 72285, 86010, 86742, 111390, 129015, 144570, 167085, 216855, 226493, 258030, 334170, 433710, 452986, 679479, 1132465, 1358958, 2038437, 2264930, 3397395, 4076874, 6794790, 10192185, 20384370]

約数ペア:

[(1, 20384370), (2, 10192185), (3, 6794790), (5, 4076874), (6, 3397395), (9, 2264930), (10, 2038437), (15, 1358958), (18, 1132465), (30, 679479), (45, 452986), (47, 433710), (61, 334170), (79, 258030), (90, 226493), (94, 216855), (122, 167085), (141, 144570), (158, 129015), (183, 111390), (235, 86742), (237, 86010), (282, 72285), (305, 66834), (366, 55695), (395, 51606), (423, 48190), (470, 43371), (474, 43005), (549, 37130), (610, 33417), (705, 28914), (711, 28670), (790, 25803), (846, 24095), (915, 22278), (1098, 18565), (1185, 17202), (1410, 14457), (1422, 14335), (1830, 11139), (2115, 9638), (2370, 8601), (2745, 7426), (2867, 7110), (3555, 5734), (3713, 5490), (4230, 4819)]