20473590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 30848010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 59, 86, 118, 129, 177, 215, 258, 269, 295, 354, 430, 538, 590, 645, 807, 885, 1290, 1345, 1614, 1770, 2537, 2690, 4035, 5074, 7611, 8070, 11567, 12685, 15222, 15871, 23134, 25370, 31742, 34701, 38055, 47613, 57835, 69402, 76110, 79355, 95226, 115670, 158710, 173505, 238065, 347010, 476130, 682453, 1364906, 2047359, 3412265, 4094718, 6824530, 10236795, 20473590]

約数ペア:

[(1, 20473590), (2, 10236795), (3, 6824530), (5, 4094718), (6, 3412265), (10, 2047359), (15, 1364906), (30, 682453), (43, 476130), (59, 347010), (86, 238065), (118, 173505), (129, 158710), (177, 115670), (215, 95226), (258, 79355), (269, 76110), (295, 69402), (354, 57835), (430, 47613), (538, 38055), (590, 34701), (645, 31742), (807, 25370), (885, 23134), (1290, 15871), (1345, 15222), (1614, 12685), (1770, 11567), (2537, 8070), (2690, 7611), (4035, 5074)]