20593290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 32283510

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 149, 170, 255, 271, 298, 447, 510, 542, 745, 813, 894, 1355, 1490, 1626, 2235, 2533, 2710, 4065, 4470, 4607, 5066, 7599, 8130, 9214, 12665, 13821, 15198, 23035, 25330, 27642, 37995, 40379, 46070, 69105, 75990, 80758, 121137, 138210, 201895, 242274, 403790, 605685, 686443, 1211370, 1372886, 2059329, 3432215, 4118658, 6864430, 10296645, 20593290]

約数ペア:

[(1, 20593290), (2, 10296645), (3, 6864430), (5, 4118658), (6, 3432215), (10, 2059329), (15, 1372886), (17, 1211370), (30, 686443), (34, 605685), (51, 403790), (85, 242274), (102, 201895), (149, 138210), (170, 121137), (255, 80758), (271, 75990), (298, 69105), (447, 46070), (510, 40379), (542, 37995), (745, 27642), (813, 25330), (894, 23035), (1355, 15198), (1490, 13821), (1626, 12665), (2235, 9214), (2533, 8130), (2710, 7599), (4065, 5066), (4470, 4607)]