20353260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 59496192

約数和(自身を除く): 39142932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 67, 83, 122, 134, 166, 183, 201, 244, 249, 268, 305, 332, 335, 366, 402, 415, 498, 610, 670, 732, 804, 830, 915, 996, 1005, 1220, 1245, 1340, 1660, 1830, 2010, 2490, 3660, 4020, 4087, 4980, 5063, 5561, 8174, 10126, 11122, 12261, 15189, 16348, 16683, 20252, 20435, 22244, 24522, 25315, 27805, 30378, 33366, 40870, 49044, 50630, 55610, 60756, 61305, 66732, 75945, 81740, 83415, 101260, 111220, 122610, 151890, 166830, 245220, 303780, 333660, 339221, 678442, 1017663, 1356884, 1696105, 2035326, 3392210, 4070652, 5088315, 6784420, 10176630, 20353260]

約数ペア:

[(1, 20353260), (2, 10176630), (3, 6784420), (4, 5088315), (5, 4070652), (6, 3392210), (10, 2035326), (12, 1696105), (15, 1356884), (20, 1017663), (30, 678442), (60, 339221), (61, 333660), (67, 303780), (83, 245220), (122, 166830), (134, 151890), (166, 122610), (183, 111220), (201, 101260), (244, 83415), (249, 81740), (268, 75945), (305, 66732), (332, 61305), (335, 60756), (366, 55610), (402, 50630), (415, 49044), (498, 40870), (610, 33366), (670, 30378), (732, 27805), (804, 25315), (830, 24522), (915, 22244), (996, 20435), (1005, 20252), (1220, 16683), (1245, 16348), (1340, 15189), (1660, 12261), (1830, 11122), (2010, 10126), (2490, 8174), (3660, 5561), (4020, 5063), (4087, 4980)]