20699370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 58024512

約数和(自身を除く): 37325142

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 83, 85, 90, 102, 153, 163, 166, 170, 249, 255, 306, 326, 415, 489, 498, 510, 747, 765, 815, 830, 978, 1245, 1411, 1467, 1494, 1530, 1630, 2445, 2490, 2771, 2822, 2934, 3735, 4233, 4890, 5542, 7055, 7335, 7470, 8313, 8466, 12699, 13529, 13855, 14110, 14670, 16626, 21165, 24939, 25398, 27058, 27710, 40587, 41565, 42330, 49878, 63495, 67645, 81174, 83130, 121761, 124695, 126990, 135290, 202935, 229993, 243522, 249390, 405870, 459986, 608805, 689979, 1149965, 1217610, 1379958, 2069937, 2299930, 3449895, 4139874, 6899790, 10349685, 20699370]

約数ペア:

[(1, 20699370), (2, 10349685), (3, 6899790), (5, 4139874), (6, 3449895), (9, 2299930), (10, 2069937), (15, 1379958), (17, 1217610), (18, 1149965), (30, 689979), (34, 608805), (45, 459986), (51, 405870), (83, 249390), (85, 243522), (90, 229993), (102, 202935), (153, 135290), (163, 126990), (166, 124695), (170, 121761), (249, 83130), (255, 81174), (306, 67645), (326, 63495), (415, 49878), (489, 42330), (498, 41565), (510, 40587), (747, 27710), (765, 27058), (815, 25398), (830, 24939), (978, 21165), (1245, 16626), (1411, 14670), (1467, 14110), (1494, 13855), (1530, 13529), (1630, 12699), (2445, 8466), (2490, 8313), (2771, 7470), (2822, 7335), (2934, 7055), (3735, 5542), (4233, 4890)]