20888955930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{1103}}^1$

素因数の和:1416

約数の個数: 128

約数和(自身を含む): 52280847360

約数和(自身を除く): 31391891430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 89, 123, 173, 178, 205, 246, 267, 346, 410, 445, 519, 534, 615, 865, 890, 1038, 1103, 1230, 1335, 1730, 2206, 2595, 2670, 3309, 3649, 5190, 5515, 6618, 7093, 7298, 10947, 11030, 14186, 15397, 16545, 18245, 21279, 21894, 30794, 33090, 35465, 36490, 42558, 45223, 46191, 54735, 70930, 76985, 90446, 92382, 98167, 106395, 109470, 135669, 153970, 190819, 196334, 212790, 226115, 230955, 271338, 294501, 381638, 452230, 461910, 490835, 572457, 589002, 631277, 678345, 954095, 981670, 1144914, 1262554, 1356690, 1472505, 1893831, 1908190, 2862285, 2945010, 3156385, 3787662, 4024847, 5724570, 6312770, 7823579, 8049694, 9469155, 12074541, 15647158, 16982891, 18938310, 20124235, 23470737, 24149082, 33965782, 39117895, 40248470, 46941474, 50948673, 60372705, 78235790, 84914455, 101897346, 117353685, 120745410, 169828910, 234707370, 254743365, 509486730, 696298531, 1392597062, 2088895593, 3481492655, 4177791186, 6962985310, 10444477965, 20888955930]

約数ペア:

[(1, 20888955930), (2, 10444477965), (3, 6962985310), (5, 4177791186), (6, 3481492655), (10, 2088895593), (15, 1392597062), (30, 696298531), (41, 509486730), (82, 254743365), (89, 234707370), (123, 169828910), (173, 120745410), (178, 117353685), (205, 101897346), (246, 84914455), (267, 78235790), (346, 60372705), (410, 50948673), (445, 46941474), (519, 40248470), (534, 39117895), (615, 33965782), (865, 24149082), (890, 23470737), (1038, 20124235), (1103, 18938310), (1230, 16982891), (1335, 15647158), (1730, 12074541), (2206, 9469155), (2595, 8049694), (2670, 7823579), (3309, 6312770), (3649, 5724570), (5190, 4024847), (5515, 3787662), (6618, 3156385), (7093, 2945010), (7298, 2862285), (10947, 1908190), (11030, 1893831), (14186, 1472505), (15397, 1356690), (16545, 1262554), (18245, 1144914), (21279, 981670), (21894, 954095), (30794, 678345), (33090, 631277), (35465, 589002), (36490, 572457), (42558, 490835), (45223, 461910), (46191, 452230), (54735, 381638), (70930, 294501), (76985, 271338), (90446, 230955), (92382, 226115), (98167, 212790), (106395, 196334), (109470, 190819), (135669, 153970)]