20408048386971

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{383}}^1\times {\mathrm{409}}^1\times {\mathrm{449}}^1$

素因数の和:1629

約数の個数: 128

約数和(自身を含む): 32184262656000

約数和(自身を除く): 11776214269029

約数列:

[1, 3, 7, 21, 41, 123, 287, 337, 383, 409, 449, 861, 1011, 1149, 1227, 1347, 2359, 2681, 2863, 3143, 7077, 8043, 8589, 9429, 13817, 15703, 16769, 18409, 41451, 47109, 50307, 55227, 96719, 109921, 117383, 128863, 129071, 137833, 151313, 156647, 171967, 183641, 290157, 329763, 352149, 386589, 387213, 413499, 453939, 469941, 515901, 550923, 903497, 964831, 1059191, 1096529, 1203769, 1285487, 2710491, 2894493, 3177573, 3289587, 3611307, 3856461, 5291911, 5651153, 6203833, 6422527, 7050647, 7529281, 15875733, 16953459, 18611499, 19267581, 21151941, 22587843, 37043377, 39558071, 43426831, 44957689, 49354529, 52704967, 52790039, 57952879, 61887017, 70334503, 111130131, 118674213, 130280493, 134873067, 148063587, 158114901, 158370117, 173858637, 185661051, 211003509, 369530273, 405670153, 433209119, 492341521, 1108590819, 1217010459, 1299627357, 1477024563, 2164391599, 2376068039, 2537367697, 2883714623, 6493174797, 7128204117, 7612103091, 8651143869, 15150741193, 16632476273, 17761573879, 20186002361, 23702727511, 45452223579, 49897428819, 53284721637, 60558007083, 71108182533, 165919092577, 497757277731, 971811827951, 2915435483853, 6802682795657, 20408048386971]

約数ペア:

[(1, 20408048386971), (3, 6802682795657), (7, 2915435483853), (21, 971811827951), (41, 497757277731), (123, 165919092577), (287, 71108182533), (337, 60558007083), (383, 53284721637), (409, 49897428819), (449, 45452223579), (861, 23702727511), (1011, 20186002361), (1149, 17761573879), (1227, 16632476273), (1347, 15150741193), (2359, 8651143869), (2681, 7612103091), (2863, 7128204117), (3143, 6493174797), (7077, 2883714623), (8043, 2537367697), (8589, 2376068039), (9429, 2164391599), (13817, 1477024563), (15703, 1299627357), (16769, 1217010459), (18409, 1108590819), (41451, 492341521), (47109, 433209119), (50307, 405670153), (55227, 369530273), (96719, 211003509), (109921, 185661051), (117383, 173858637), (128863, 158370117), (129071, 158114901), (137833, 148063587), (151313, 134873067), (156647, 130280493), (171967, 118674213), (183641, 111130131), (290157, 70334503), (329763, 61887017), (352149, 57952879), (386589, 52790039), (387213, 52704967), (413499, 49354529), (453939, 44957689), (469941, 43426831), (515901, 39558071), (550923, 37043377), (903497, 22587843), (964831, 21151941), (1059191, 19267581), (1096529, 18611499), (1203769, 16953459), (1285487, 15875733), (2710491, 7529281), (2894493, 7050647), (3177573, 6422527), (3289587, 6203833), (3611307, 5651153), (3856461, 5291911)]