20443464540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{7547}}^1$

素因数の和:7812

約数の個数: 144

約数和(自身を含む): 63054482400

約数和(自身を除く): 42611017860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 149, 180, 202, 298, 303, 404, 447, 505, 596, 606, 745, 894, 909, 1010, 1212, 1341, 1490, 1515, 1788, 1818, 2020, 2235, 2682, 2980, 3030, 3636, 4470, 4545, 5364, 6060, 6705, 7547, 8940, 9090, 13410, 15049, 15094, 18180, 22641, 26820, 30098, 30188, 37735, 45147, 45282, 60196, 67923, 75245, 75470, 90294, 90564, 113205, 135441, 135846, 150490, 150940, 180588, 225735, 226410, 270882, 271692, 300980, 339615, 451470, 452820, 541764, 677205, 679230, 762247, 902940, 1124503, 1354410, 1358460, 1524494, 2249006, 2286741, 2708820, 3048988, 3373509, 3811235, 4498012, 4573482, 5622515, 6747018, 6860223, 7622470, 9146964, 10120527, 11245030, 11433705, 13494036, 13720446, 15244940, 16867545, 20241054, 22490060, 22867410, 27440892, 33735090, 34301115, 40482108, 45734820, 50602635, 67470180, 68602230, 101205270, 113574803, 137204460, 202410540, 227149606, 340724409, 454299212, 567874015, 681448818, 1022173227, 1135748030, 1362897636, 1703622045, 2044346454, 2271496060, 3407244090, 4088692908, 5110866135, 6814488180, 10221732270, 20443464540]

約数ペア:

[(1, 20443464540), (2, 10221732270), (3, 6814488180), (4, 5110866135), (5, 4088692908), (6, 3407244090), (9, 2271496060), (10, 2044346454), (12, 1703622045), (15, 1362897636), (18, 1135748030), (20, 1022173227), (30, 681448818), (36, 567874015), (45, 454299212), (60, 340724409), (90, 227149606), (101, 202410540), (149, 137204460), (180, 113574803), (202, 101205270), (298, 68602230), (303, 67470180), (404, 50602635), (447, 45734820), (505, 40482108), (596, 34301115), (606, 33735090), (745, 27440892), (894, 22867410), (909, 22490060), (1010, 20241054), (1212, 16867545), (1341, 15244940), (1490, 13720446), (1515, 13494036), (1788, 11433705), (1818, 11245030), (2020, 10120527), (2235, 9146964), (2682, 7622470), (2980, 6860223), (3030, 6747018), (3636, 5622515), (4470, 4573482), (4545, 4498012), (5364, 3811235), (6060, 3373509), (6705, 3048988), (7547, 2708820), (8940, 2286741), (9090, 2249006), (13410, 1524494), (15049, 1358460), (15094, 1354410), (18180, 1124503), (22641, 902940), (26820, 762247), (30098, 679230), (30188, 677205), (37735, 541764), (45147, 452820), (45282, 451470), (60196, 339615), (67923, 300980), (75245, 271692), (75470, 270882), (90294, 226410), (90564, 225735), (113205, 180588), (135441, 150940), (135846, 150490)]