20854225560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3546637}}^1$

素因数の和:3546665

約数の個数: 96

約数和(自身を含む): 72777011760

約数和(自身を除く): 51922786200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 3546637, 7093274, 10639911, 14186548, 17733185, 21279822, 24826459, 28373096, 35466370, 42559644, 49652918, 53199555, 70932740, 74479377, 85119288, 99305836, 106399110, 124132295, 141865480, 148958754, 173785213, 198611672, 212798220, 248264590, 297917508, 347570426, 372396885, 425596440, 496529180, 521355639, 595835016, 695140852, 744793770, 868926065, 993058360, 1042711278, 1390281704, 1489587540, 1737852130, 2085422556, 2606778195, 2979175080, 3475704260, 4170845112, 5213556390, 6951408520, 10427112780, 20854225560]

約数ペア:

[(1, 20854225560), (2, 10427112780), (3, 6951408520), (4, 5213556390), (5, 4170845112), (6, 3475704260), (7, 2979175080), (8, 2606778195), (10, 2085422556), (12, 1737852130), (14, 1489587540), (15, 1390281704), (20, 1042711278), (21, 993058360), (24, 868926065), (28, 744793770), (30, 695140852), (35, 595835016), (40, 521355639), (42, 496529180), (49, 425596440), (56, 372396885), (60, 347570426), (70, 297917508), (84, 248264590), (98, 212798220), (105, 198611672), (120, 173785213), (140, 148958754), (147, 141865480), (168, 124132295), (196, 106399110), (210, 99305836), (245, 85119288), (280, 74479377), (294, 70932740), (392, 53199555), (420, 49652918), (490, 42559644), (588, 35466370), (735, 28373096), (840, 24826459), (980, 21279822), (1176, 17733185), (1470, 14186548), (1960, 10639911), (2940, 7093274), (5880, 3546637)]