20840130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 58681584

約数和(自身を除く): 37841454

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 53, 85, 90, 102, 106, 153, 159, 170, 255, 257, 265, 306, 318, 477, 510, 514, 530, 765, 771, 795, 901, 954, 1285, 1530, 1542, 1590, 1802, 2313, 2385, 2570, 2703, 3855, 4369, 4505, 4626, 4770, 5406, 7710, 8109, 8738, 9010, 11565, 13107, 13515, 13621, 16218, 21845, 23130, 26214, 27030, 27242, 39321, 40545, 40863, 43690, 65535, 68105, 78642, 81090, 81726, 122589, 131070, 136210, 196605, 204315, 231557, 245178, 393210, 408630, 463114, 612945, 694671, 1157785, 1225890, 1389342, 2084013, 2315570, 3473355, 4168026, 6946710, 10420065, 20840130]

約数ペア:

[(1, 20840130), (2, 10420065), (3, 6946710), (5, 4168026), (6, 3473355), (9, 2315570), (10, 2084013), (15, 1389342), (17, 1225890), (18, 1157785), (30, 694671), (34, 612945), (45, 463114), (51, 408630), (53, 393210), (85, 245178), (90, 231557), (102, 204315), (106, 196605), (153, 136210), (159, 131070), (170, 122589), (255, 81726), (257, 81090), (265, 78642), (306, 68105), (318, 65535), (477, 43690), (510, 40863), (514, 40545), (530, 39321), (765, 27242), (771, 27030), (795, 26214), (901, 23130), (954, 21845), (1285, 16218), (1530, 13621), (1542, 13515), (1590, 13107), (1802, 11565), (2313, 9010), (2385, 8738), (2570, 8109), (2703, 7710), (3855, 5406), (4369, 4770), (4505, 4626)]