20219936

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 27680224

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 32, 34, 44, 62, 68, 88, 109, 124, 136, 176, 187, 218, 248, 272, 341, 352, 374, 436, 496, 527, 544, 682, 748, 872, 992, 1054, 1199, 1364, 1496, 1744, 1853, 2108, 2398, 2728, 2992, 3379, 3488, 3706, 4216, 4796, 5456, 5797, 5984, 6758, 7412, 8432, 9592, 10912, 11594, 13516, 14824, 16864, 19184, 20383, 23188, 27032, 29648, 37169, 38368, 40766, 46376, 54064, 57443, 59296, 74338, 81532, 92752, 108128, 114886, 148676, 163064, 185504, 229772, 297352, 326128, 459544, 594704, 631873, 652256, 919088, 1189408, 1263746, 1838176, 2527492, 5054984, 10109968, 20219936]

約数ペア:

[(1, 20219936), (2, 10109968), (4, 5054984), (8, 2527492), (11, 1838176), (16, 1263746), (17, 1189408), (22, 919088), (31, 652256), (32, 631873), (34, 594704), (44, 459544), (62, 326128), (68, 297352), (88, 229772), (109, 185504), (124, 163064), (136, 148676), (176, 114886), (187, 108128), (218, 92752), (248, 81532), (272, 74338), (341, 59296), (352, 57443), (374, 54064), (436, 46376), (496, 40766), (527, 38368), (544, 37169), (682, 29648), (748, 27032), (872, 23188), (992, 20383), (1054, 19184), (1199, 16864), (1364, 14824), (1496, 13516), (1744, 11594), (1853, 10912), (2108, 9592), (2398, 8432), (2728, 7412), (2992, 6758), (3379, 5984), (3488, 5797), (3706, 5456), (4216, 4796)]