20243321145

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{4723}}^1$

素因数の和:5316

約数の個数: 80

約数和(自身を含む): 38274603840

約数和(自身を除く): 18031282695

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 557, 855, 1539, 1671, 2565, 2785, 4723, 5013, 7695, 8355, 10583, 14169, 15039, 23615, 25065, 31749, 42507, 45117, 52915, 70845, 75195, 89737, 95247, 127521, 158745, 212535, 225585, 269211, 285741, 382563, 448685, 476235, 637605, 807633, 857223, 1346055, 1428705, 1912815, 2422899, 2630711, 4038165, 4286115, 7268697, 7892133, 12114495, 13153555, 23676399, 36343485, 39460665, 49983509, 71029197, 118381995, 149950527, 213087591, 249917545, 355145985, 449851581, 749752635, 1065437955, 1349554743, 2249257905, 4048664229, 6747773715, 20243321145]

約数ペア:

[(1, 20243321145), (3, 6747773715), (5, 4048664229), (9, 2249257905), (15, 1349554743), (19, 1065437955), (27, 749752635), (45, 449851581), (57, 355145985), (81, 249917545), (95, 213087591), (135, 149950527), (171, 118381995), (285, 71029197), (405, 49983509), (513, 39460665), (557, 36343485), (855, 23676399), (1539, 13153555), (1671, 12114495), (2565, 7892133), (2785, 7268697), (4723, 4286115), (5013, 4038165), (7695, 2630711), (8355, 2422899), (10583, 1912815), (14169, 1428705), (15039, 1346055), (23615, 857223), (25065, 807633), (31749, 637605), (42507, 476235), (45117, 448685), (52915, 382563), (70845, 285741), (75195, 269211), (89737, 225585), (95247, 212535), (127521, 158745)]