20122720140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1\times {\mathrm{21751}}^1$

素因数の和:22687

約数の個数: 96

約数和(自身を含む): 59726467584

約数和(自身を除く): 39603747444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 907, 1020, 1814, 2721, 3628, 4535, 5442, 9070, 10884, 13605, 15419, 18140, 21751, 27210, 30838, 43502, 46257, 54420, 61676, 65253, 77095, 87004, 92514, 108755, 130506, 154190, 185028, 217510, 231285, 261012, 308380, 326265, 369767, 435020, 462570, 652530, 739534, 925140, 1109301, 1305060, 1479068, 1848835, 2218602, 3697670, 4437204, 5546505, 7395340, 11093010, 19728157, 22186020, 39456314, 59184471, 78912628, 98640785, 118368942, 197281570, 236737884, 295922355, 335378669, 394563140, 591844710, 670757338, 1006136007, 1183689420, 1341514676, 1676893345, 2012272014, 3353786690, 4024544028, 5030680035, 6707573380, 10061360070, 20122720140]

約数ペア:

[(1, 20122720140), (2, 10061360070), (3, 6707573380), (4, 5030680035), (5, 4024544028), (6, 3353786690), (10, 2012272014), (12, 1676893345), (15, 1341514676), (17, 1183689420), (20, 1006136007), (30, 670757338), (34, 591844710), (51, 394563140), (60, 335378669), (68, 295922355), (85, 236737884), (102, 197281570), (170, 118368942), (204, 98640785), (255, 78912628), (340, 59184471), (510, 39456314), (907, 22186020), (1020, 19728157), (1814, 11093010), (2721, 7395340), (3628, 5546505), (4535, 4437204), (5442, 3697670), (9070, 2218602), (10884, 1848835), (13605, 1479068), (15419, 1305060), (18140, 1109301), (21751, 925140), (27210, 739534), (30838, 652530), (43502, 462570), (46257, 435020), (54420, 369767), (61676, 326265), (65253, 308380), (77095, 261012), (87004, 231285), (92514, 217510), (108755, 185028), (130506, 154190)]