20065968

素因数分解:

$2^4\times 3^5\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:433

約数の個数: 120

約数和(自身を含む): 62874448

約数和(自身を除く): 42808480

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 312, 324, 351, 397, 432, 468, 486, 624, 648, 702, 794, 936, 972, 1053, 1191, 1296, 1404, 1588, 1872, 1944, 2106, 2382, 2808, 3159, 3176, 3573, 3888, 4212, 4764, 5161, 5616, 6318, 6352, 7146, 8424, 9528, 10322, 10719, 12636, 14292, 15483, 16848, 19056, 20644, 21438, 25272, 28584, 30966, 32157, 41288, 42876, 46449, 50544, 57168, 61932, 64314, 82576, 85752, 92898, 96471, 123864, 128628, 139347, 171504, 185796, 192942, 247728, 257256, 278694, 371592, 385884, 418041, 514512, 557388, 743184, 771768, 836082, 1114776, 1254123, 1543536, 1672164, 2229552, 2508246, 3344328, 5016492, 6688656, 10032984, 20065968]

約数ペア:

[(1, 20065968), (2, 10032984), (3, 6688656), (4, 5016492), (6, 3344328), (8, 2508246), (9, 2229552), (12, 1672164), (13, 1543536), (16, 1254123), (18, 1114776), (24, 836082), (26, 771768), (27, 743184), (36, 557388), (39, 514512), (48, 418041), (52, 385884), (54, 371592), (72, 278694), (78, 257256), (81, 247728), (104, 192942), (108, 185796), (117, 171504), (144, 139347), (156, 128628), (162, 123864), (208, 96471), (216, 92898), (234, 85752), (243, 82576), (312, 64314), (324, 61932), (351, 57168), (397, 50544), (432, 46449), (468, 42876), (486, 41288), (624, 32157), (648, 30966), (702, 28584), (794, 25272), (936, 21438), (972, 20644), (1053, 19056), (1191, 16848), (1296, 15483), (1404, 14292), (1588, 12636), (1872, 10719), (1944, 10322), (2106, 9528), (2382, 8424), (2808, 7146), (3159, 6352), (3176, 6318), (3573, 5616), (3888, 5161), (4212, 4764)]