20193276650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:908

約数の個数: 96

約数和(自身を含む): 39710601216

約数和(自身を除く): 19517324566

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 131, 230, 262, 311, 431, 575, 622, 655, 862, 1150, 1310, 1555, 2155, 3013, 3110, 3275, 4310, 6026, 6550, 7153, 7775, 9913, 10775, 14306, 15065, 15550, 19826, 21550, 30130, 35765, 40741, 49565, 56461, 71530, 75325, 81482, 99130, 112922, 134041, 150650, 178825, 203705, 247825, 268082, 282305, 357650, 407410, 495650, 564610, 670205, 937043, 1018525, 1298603, 1340410, 1411525, 1874086, 2037050, 2597206, 2823050, 3082943, 3351025, 4685215, 6165886, 6493015, 6702050, 9370430, 12986030, 15414715, 17559371, 23426075, 30829430, 32465075, 35118742, 46852150, 64930150, 77073575, 87796855, 154147150, 175593710, 403865533, 438984275, 807731066, 877968550, 2019327665, 4038655330, 10096638325, 20193276650]

約数ペア:

[(1, 20193276650), (2, 10096638325), (5, 4038655330), (10, 2019327665), (23, 877968550), (25, 807731066), (46, 438984275), (50, 403865533), (115, 175593710), (131, 154147150), (230, 87796855), (262, 77073575), (311, 64930150), (431, 46852150), (575, 35118742), (622, 32465075), (655, 30829430), (862, 23426075), (1150, 17559371), (1310, 15414715), (1555, 12986030), (2155, 9370430), (3013, 6702050), (3110, 6493015), (3275, 6165886), (4310, 4685215), (6026, 3351025), (6550, 3082943), (7153, 2823050), (7775, 2597206), (9913, 2037050), (10775, 1874086), (14306, 1411525), (15065, 1340410), (15550, 1298603), (19826, 1018525), (21550, 937043), (30130, 670205), (35765, 564610), (40741, 495650), (49565, 407410), (56461, 357650), (71530, 282305), (75325, 268082), (81482, 247825), (99130, 203705), (112922, 178825), (134041, 150650)]